402743044 has 24 divisors (see below), whose sum is σ = 779411808. Its totient is φ = 180555840.

The previous prime is 402743023. The next prime is 402743051. The reversal of 402743044 is 440347204.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 59482 + ... + 65905.

It is an arithmetic number, because the mean of its divisors is an integer number (32475492).

Almost surely, 2^402743044 is an apocalyptic number.

402743044 is a gapful number since it is divisible by the number (44) formed by its first and last digit.

It is an amenable number.

402743044 is a deficient number, since it is larger than the sum of its proper divisors (376668764).

402743044 is a wasteful number, since it uses less digits than its factorization.

402743044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 125475 (or 125473 counting only the distinct ones).

The product of its (nonzero) digits is 10752, while the sum is 28.

The square root of 402743044 is about 20068.4589343577. The cubic root of 402743044 is about 738.4867077837.

The spelling of 402743044 in words is "four hundred two million, seven hundred forty-three thousand, forty-four".