40118910552 has 320 divisors, whose sum is σ = 136604160000. Its totient is φ = 10745063424.

The previous prime is 40118910551. The next prime is 40118910563. The reversal of 40118910552 is 25501981104.

40118910552 is a `hidden beast` number, since 4 + 0 + 1 + 18 + 91 + 0 + 552 = 666.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40118910551) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 8357449 + ... + 8362247.

It is an arithmetic number, because the mean of its divisors is an integer number (426888000).

Almost surely, 2^40118910552 is an apocalyptic number.

40118910552 is a gapful number since it is divisible by the number (42) 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 40118910552, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (68302080000).

40118910552 is an abundant number, since it is smaller than the sum of its proper divisors (96485249448).

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

40118910552 is a wasteful number, since it uses less digits than its factorization.

40118910552 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4940 (or 4927 counting only the distinct ones).

The product of its (nonzero) digits is 14400, while the sum is 36.

The spelling of 40118910552 in words is "forty billion, one hundred eighteen million, nine hundred ten thousand, five hundred fifty-two".