40400613533 has 12 divisors (see below), whose sum is σ = 47045087712. Its totient is φ = 34593393240.

The previous prime is 40400613527. The next prime is 40400613553. The reversal of 40400613533 is 33531600404.

It is not a de Polignac number, because 40400613533 - 2¹⁶ = 40400547997 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40400613496 and 40400613505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40400613553) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 376985 + ... + 472142.

It is an arithmetic number, because the mean of its divisors is an integer number (3920423976).

Almost surely, 2^40400613533 is an apocalyptic number.

It is an amenable number.

40400613533 is a deficient number, since it is larger than the sum of its proper divisors (6644474179).

40400613533 is an equidigital number, since it uses as much as digits as its factorization.

40400613533 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 850112 (or 850105 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 29.

The spelling of 40400613533 in words is "forty billion, four hundred million, six hundred thirteen thousand, five hundred thirty-three".