40537415412 has 96 divisors (see below), whose sum is σ = 113430844800. Its totient is φ = 12445560576.

The previous prime is 40537415411. The next prime is 40537415431. The reversal of 40537415412 is 21451473504.

40537415412 is a `hidden beast` number, since 40 + 5 + 3 + 74 + 1 + 541 + 2 = 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 (40537415411) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 610039 + ... + 673217.

It is an arithmetic number, because the mean of its divisors is an integer number (1181571300).

Almost surely, 2^40537415412 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 40537415412, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56715422400).

40537415412 is an abundant number, since it is smaller than the sum of its proper divisors (72893429388).

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

40537415412 is a wasteful number, since it uses less digits than its factorization.

40537415412 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 63662 (or 63654 counting only the distinct ones).

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

Adding to 40537415412 its reverse (21451473504), we get a palindrome (61988888916).

The spelling of 40537415412 in words is "forty billion, five hundred thirty-seven million, four hundred fifteen thousand, four hundred twelve".