1404141040 has 80 divisors (see below), whose sum is σ = 3444556320. Its totient is φ = 530841600.

The previous prime is 1404141029. The next prime is 1404141047. The reversal of 1404141040 is 401414041.

It is a tau number, because it is divible by the number of its divisors (80).

It is a super-2 number, since 2×1404141040² = 3943224120424563200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (19).

It is a junction number, because it is equal to n+sod(n) for n = 1404140999 and 1404141017.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1404141047) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 876240 + ... + 877840.

It is an arithmetic number, because the mean of its divisors is an integer number (43056954).

Almost surely, 2^1404141040 is an apocalyptic number.

1404141040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1404141040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1722278160).

1404141040 is an abundant number, since it is smaller than the sum of its proper divisors (2040415280).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

1404141040 is a wasteful number, since it uses less digits than its factorization.

1404141040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2210 (or 2204 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 19.

The square root of 1404141040 is about 37471.8699826950. The cubic root of 1404141040 is about 1119.7908410442.

Adding to 1404141040 its reverse (401414041), we get a palindrome (1805555081).

The spelling of 1404141040 in words is "one billion, four hundred four million, one hundred forty-one thousand, forty".