40099212972 has 480 divisors, whose sum is σ = 133762793472. Its totient is φ = 10194522624.

The previous prime is 40099212931. The next prime is 40099212977. The reversal of 40099212972 is 27921299004.

40099212972 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (40099212977) by changing a digit.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 104697493 + ... + 104697875.

Almost surely, 2^40099212972 is an apocalyptic number.

40099212972 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 40099212972, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (66881396736).

40099212972 is an abundant number, since it is smaller than the sum of its proper divisors (93663580500).

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

40099212972 is a wasteful number, since it uses less digits than its factorization.

40099212972 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 539 (or 528 counting only the distinct ones).

The product of its (nonzero) digits is 163296, while the sum is 45.

The spelling of 40099212972 in words is "forty billion, ninety-nine million, two hundred twelve thousand, nine hundred seventy-two".