402825604740 has 72 divisors (see below), whose sum is σ = 1221348195648. Its totient is φ = 99157069440.

The previous prime is 402825604733. The next prime is 402825604763. The reversal of 402825604740 is 47406528204.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 402825604692 and 402825604701.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 19853056 + ... + 19873335.

It is an arithmetic number, because the mean of its divisors is an integer number (16963169384).

Almost surely, 2^402825604740 is an apocalyptic number.

It is an amenable number.

402825604740 is an abundant number, since it is smaller than the sum of its proper divisors (818522590908).

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

402825604740 is a wasteful number, since it uses less digits than its factorization.

402825604740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39726429 (or 39726414 counting only the distinct ones).

The product of its (nonzero) digits is 430080, while the sum is 42.

The spelling of 402825604740 in words is "four hundred two billion, eight hundred twenty-five million, six hundred four thousand, seven hundred forty".