400493625402 has 32 divisors (see below), whose sum is σ = 880954889472. Its totient is φ = 120606917184.

The previous prime is 400493625373. The next prime is 400493625407. The reversal of 400493625402 is 204526394004.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is not an unprimeable number, because it can be changed into a prime (400493625407) 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, 54619033 + ... + 54626364.

It is an arithmetic number, because the mean of its divisors is an integer number (27529840296).

Almost surely, 2^400493625402 is an apocalyptic number.

400493625402 is an abundant number, since it is smaller than the sum of its proper divisors (480461264070).

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

400493625402 is a wasteful number, since it uses less digits than its factorization.

400493625402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 109245462.

The product of its (nonzero) digits is 207360, while the sum is 39.

The spelling of 400493625402 in words is "four hundred billion, four hundred ninety-three million, six hundred twenty-five thousand, four hundred two".