1400902442 has 16 divisors (see below), whose sum is σ = 2226528000. Its totient is φ = 658784448.

The previous prime is 1400902429. The next prime is 1400902457. The reversal of 1400902442 is 2442090041.

It is a super-3 number, since 3×1400902442³ (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 (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 37223 + ... + 64709.

It is an arithmetic number, because the mean of its divisors is an integer number (139158000).

Almost surely, 2^1400902442 is an apocalyptic number.

1400902442 is a deficient number, since it is larger than the sum of its proper divisors (825625558).

1400902442 is a wasteful number, since it uses less digits than its factorization.

1400902442 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 29005.

The product of its (nonzero) digits is 2304, while the sum is 26.

The square root of 1400902442 is about 37428.6313134744. The cubic root of 1400902442 is about 1118.9292599491.

Adding to 1400902442 its reverse (2442090041), we get a palindrome (3842992483).

The spelling of 1400902442 in words is "one billion, four hundred million, nine hundred two thousand, four hundred forty-two".