40011512 has 16 divisors (see below), whose sum is σ = 75443400. Its totient is φ = 19893280.

The previous prime is 40011509. The next prime is 40011539. The reversal of 40011512 is 21511004.

It is a super-2 number, since 2×40011512² = 3201842185052288, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 12539 + ... + 15402.

Almost surely, 2^40011512 is an apocalyptic number.

It is an amenable number.

40011512 is a deficient number, since it is larger than the sum of its proper divisors (35431888).

40011512 is a wasteful number, since it uses less digits than its factorization.

40011512 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28126 (or 28122 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 14.

The square root of 40011512 is about 6325.4653583748. The cubic root of 40011512 is about 342.0279949269.

Adding to 40011512 its reverse (21511004), we get a palindrome (61522516).

The spelling of 40011512 in words is "forty million, eleven thousand, five hundred twelve".