40125475512 has 96 divisors (see below), whose sum is σ = 111117923280. Its totient is φ = 13077596160.

The previous prime is 40125475477. The next prime is 40125475519. The reversal of 40125475512 is 21557452104.

40125475512 is a `hidden beast` number, since 40 + 1 + 25 + 47 + 551 + 2 = 666.

40125475512 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×40125475512² (a number of 22 digits) contains 22 as substring.

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 (40125475519) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 545062 + ... + 614282.

Almost surely, 2^40125475512 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 40125475512, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (55558961640).

40125475512 is an abundant number, since it is smaller than the sum of its proper divisors (70992447768).

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

40125475512 is a wasteful number, since it uses less digits than its factorization.

40125475512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 69413 (or 69406 counting only the distinct ones).

The product of its (nonzero) digits is 56000, while the sum is 36.

The spelling of 40125475512 in words is "forty billion, one hundred twenty-five million, four hundred seventy-five thousand, five hundred twelve".