92402009640 has 192 divisors, whose sum is σ = 313856000640. Its totient is φ = 23532157440.

The previous prime is 92402009639. The next prime is 92402009647. The reversal of 92402009640 is 4690020429.

92402009640 is a `hidden beast` number, since 9 + 2 + 4 + 0 + 2 + 0 + 0 + 9 + 640 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 92402009595 and 92402009604.

It is not an unprimeable number, because it can be changed into a prime (92402009647) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 5464639 + ... + 5481521.

It is an arithmetic number, because the mean of its divisors is an integer number (1634666670).

Almost surely, 2^92402009640 is an apocalyptic number.

92402009640 is a gapful number since it is divisible by the number (90) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 92402009640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (156928000320).

92402009640 is an abundant number, since it is smaller than the sum of its proper divisors (221453991000).

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

92402009640 is a wasteful number, since it uses less digits than its factorization.

92402009640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17584 (or 17577 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The spelling of 92402009640 in words is "ninety-two billion, four hundred two million, nine thousand, six hundred forty".