1402904140 has 96 divisors (see below), whose sum is σ = 3417603840. Its totient is φ = 478368000.

The previous prime is 1402904077. The next prime is 1402904179. The reversal of 1402904140 is 414092041.

It is a super-3 number, since 3×1402904140³ (a number of 28 digits) contains 333 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 420519 + ... + 423841.

It is an arithmetic number, because the mean of its divisors is an integer number (35600040).

Almost surely, 2^1402904140 is an apocalyptic number.

1402904140 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 1402904140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1708801920).

1402904140 is an abundant number, since it is smaller than the sum of its proper divisors (2014699700).

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

1402904140 is a wasteful number, since it uses less digits than its factorization.

1402904140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3463 (or 3461 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 25.

The square root of 1402904140 is about 37455.3619659455. The cubic root of 1402904140 is about 1119.4619386166.

Adding to 1402904140 its reverse (414092041), we get a palindrome (1816996181).

The spelling of 1402904140 in words is "one billion, four hundred two million, nine hundred four thousand, one hundred forty".