36402003640 has 32 divisors (see below), whose sum is σ = 81911412000. Its totient is φ = 14559574144.

The previous prime is 36402003581. The next prime is 36402003643. The reversal of 36402003640 is 4630020463.

It is a junction number, because it is equal to n+sod(n) for n = 36402003599 and 36402003608.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (36402003643) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 555741 + ... + 617779.

It is an arithmetic number, because the mean of its divisors is an integer number (2559731625).

Almost surely, 2^36402003640 is an apocalyptic number.

It is an amenable number.

36402003640 is an abundant number, since it is smaller than the sum of its proper divisors (45509408360).

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

36402003640 is a wasteful number, since it uses less digits than its factorization.

36402003640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 76719 (or 76715 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 28.

The spelling of 36402003640 in words is "thirty-six billion, four hundred two million, three thousand, six hundred forty".