40136012 has 24 divisors (see below), whose sum is σ = 83763456. Its totient is φ = 16453008.

The previous prime is 40135973. The next prime is 40136023. The reversal of 40136012 is 21063104.

It is a super-2 number, since 2×40136012² = 3221798918528288, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 30518 + ... + 31805.

It is an arithmetic number, because the mean of its divisors is an integer number (3490144).

Almost surely, 2^40136012 is an apocalyptic number.

It is an amenable number.

40136012 is an abundant number, since it is smaller than the sum of its proper divisors (43627444).

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

40136012 is a wasteful number, since it uses less digits than its factorization.

40136012 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 62357 (or 62355 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 17.

The square root of 40136012 is about 6335.2988879768. The cubic root of 40136012 is about 342.3823795595.

Adding to 40136012 its reverse (21063104), we get a palindrome (61199116).

The spelling of 40136012 in words is "forty million, one hundred thirty-six thousand, twelve".