40736521516407 has 32 divisors (see below), whose sum is σ = 58209725537280. Its totient is φ = 25274391563520.

The previous prime is 40736521516387. The next prime is 40736521516451. The reversal of 40736521516407 is 70461512563704.

It is not a de Polignac number, because 40736521516407 - 2²² = 40736517322103 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 40736521516407.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40736521516487) 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, 204852907 + ... + 205051667.

It is an arithmetic number, because the mean of its divisors is an integer number (1819053923040).

Almost surely, 2^{40736521516407} is an apocalyptic number.

40736521516407 is a deficient number, since it is larger than the sum of its proper divisors (17473204020873).

40736521516407 is a wasteful number, since it uses less digits than its factorization.

40736521516407 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279103.

The product of its (nonzero) digits is 4233600, while the sum is 51.

The spelling of 40736521516407 in words is "forty trillion, seven hundred thirty-six billion, five hundred twenty-one million, five hundred sixteen thousand, four hundred seven".