40013504215 has 16 divisors (see below), whose sum is σ = 48645757440. Its totient is φ = 31592436480.

The previous prime is 40013504189. The next prime is 40013504239. The reversal of 40013504215 is 51240531004.

It is a happy number.

It is not a de Polignac number, because 40013504215 - 2⁹ = 40013503703 is a prime.

It is a super-4 number, since 4×40013504215⁴ (a number of 44 digits) contains 4444 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 40013504215.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 157642 + ... + 323848.

It is an arithmetic number, because the mean of its divisors is an integer number (3040359840).

Almost surely, 2^40013504215 is an apocalyptic number.

40013504215 is a deficient number, since it is larger than the sum of its proper divisors (8632253225).

40013504215 is a wasteful number, since it uses less digits than its factorization.

40013504215 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 166842.

The product of its (nonzero) digits is 2400, while the sum is 25.

The spelling of 40013504215 in words is "forty billion, thirteen million, five hundred four thousand, two hundred fifteen".