402997728048 has 40 divisors (see below), whose sum is σ = 1041701444400. Its totient is φ = 134252062464.

The previous prime is 402997728047. The next prime is 402997728061. The reversal of 402997728048 is 840827799204.

It is a junction number, because it is equal to n+sod(n) for n = 402997727982 and 402997728000.

It is not an unprimeable number, because it can be changed into a prime (402997728047) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2435103 + ... + 2595326.

It is an arithmetic number, because the mean of its divisors is an integer number (26042536110).

Almost surely, 2^402997728048 is an apocalyptic number.

402997728048 is a gapful number since it is divisible by the number (48) formed by its first and last digit.

It is an amenable number.

402997728048 is an abundant number, since it is smaller than the sum of its proper divisors (638703716352).

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

402997728048 is a wasteful number, since it uses less digits than its factorization.

402997728048 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5032109 (or 5032103 counting only the distinct ones).

The product of its (nonzero) digits is 16257024, while the sum is 60.

The spelling of 402997728048 in words is "four hundred two billion, nine hundred ninety-seven million, seven hundred twenty-eight thousand, forty-eight".