855372402 has 24 divisors (see below), whose sum is σ = 1853848620. Its totient is φ = 285040800.

The previous prime is 855372337. The next prime is 855372403. The reversal of 855372402 is 204273558.

855372402 is a `hidden beast` number, since 85 + 537 + 2 + 40 + 2 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 844541721 + 10830681 = 29061^2 + 3291^2 .

It is a super-2 number, since 2×855372402² = 1463323892206499208, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (855372403) 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 11 ways as a sum of consecutive naturals, for example, 105924 + ... + 113712.

Almost surely, 2^855372402 is an apocalyptic number.

855372402 is an abundant number, since it is smaller than the sum of its proper divisors (998476218).

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

855372402 is a wasteful number, since it uses less digits than its factorization.

855372402 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13898 (or 13895 counting only the distinct ones).

The product of its (nonzero) digits is 67200, while the sum is 36.

The square root of 855372402 is about 29246.7502810141. The cubic root of 855372402 is about 949.2597749940.

The spelling of 855372402 in words is "eight hundred fifty-five million, three hundred seventy-two thousand, four hundred two".