1401402000 has 240 divisors, whose sum is σ = 4775801472. Its totient is φ = 353491200.

The previous prime is 1401401959. The next prime is 1401402007. The reversal of 1401402000 is 2041041.

It is a tau number, because it is divible by the number of its divisors (240).

It is a Harshad number since it is a multiple of its sum of digits (12).

It is not an unprimeable number, because it can be changed into a prime (1401402007) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 2165677 + ... + 2166323.

Almost surely, 2^1401402000 is an apocalyptic number.

1401402000 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 1401402000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2387900736).

1401402000 is an abundant number, since it is smaller than the sum of its proper divisors (3374399472).

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

1401402000 is a wasteful number, since it uses less digits than its factorization.

1401402000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 711 (or 676 counting only the distinct ones).

The product of its (nonzero) digits is 32, while the sum is 12.

The square root of 1401402000 is about 37435.3041927002. The cubic root of 1401402000 is about 1119.0622465196.

Adding to 1401402000 its reverse (2041041), we get a palindrome (1403443041).

The spelling of 1401402000 in words is "one billion, four hundred one million, four hundred two thousand".