402357078040 has 32 divisors (see below), whose sum is σ = 905321484000. Its totient is φ = 160939620864.

The previous prime is 402357078017. The next prime is 402357078043. The reversal of 402357078040 is 40870753204.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 402357077984 and 402357078002.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (402357078043) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3863776 + ... + 3966544.

It is an arithmetic number, because the mean of its divisors is an integer number (28291296375).

Almost surely, 2^402357078040 is an apocalyptic number.

402357078040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

402357078040 is an abundant number, since it is smaller than the sum of its proper divisors (502964405960).

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

402357078040 is a wasteful number, since it uses less digits than its factorization.

402357078040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 200659 (or 200655 counting only the distinct ones).

The product of its (nonzero) digits is 188160, while the sum is 40.

The spelling of 402357078040 in words is "four hundred two billion, three hundred fifty-seven million, seventy-eight thousand, forty".