402554060400 has 60 divisors (see below), whose sum is σ = 1289514843992. Its totient is φ = 107347749120.

The previous prime is 402554060393. The next prime is 402554060407. The reversal of 402554060400 is 4060455204.

It is an interprime number because it is at equal distance from previous prime (402554060393) and next prime (402554060407).

It is a tau number, because it is divible by the number of its divisors (60).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402554060407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 167729659 + ... + 167732058.

Almost surely, 2^402554060400 is an apocalyptic number.

402554060400 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402554060400 is an abundant number, since it is smaller than the sum of its proper divisors (886960783592).

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

402554060400 is a wasteful number, since it uses less digits than its factorization.

402554060400 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 335461738 (or 335461727 counting only the distinct ones).

The product of its (nonzero) digits is 19200, while the sum is 30.

The spelling of 402554060400 in words is "four hundred two billion, five hundred fifty-four million, sixty thousand, four hundred".