36612721407044 has 12 divisors (see below), whose sum is σ = 67841219077884. Its totient is φ = 17229515956224.

The previous prime is 36612721407023. The next prime is 36612721407127. The reversal of 36612721407044 is 44070412721663.

It can be written as a sum of positive squares in 2 ways, for example, as 24354600061444 + 12258121345600 = 4935038^2 + 3501160^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 36612721407044.

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, 269211186749 + ... + 269211186884.

It is an arithmetic number, because the mean of its divisors is an integer number (5653434923157).

Almost surely, 2^{36612721407044} is an apocalyptic number.

36612721407044 is a gapful number since it is divisible by the number (34) formed by its first and last digit.

It is an amenable number.

36612721407044 is a deficient number, since it is larger than the sum of its proper divisors (31228497670840).

36612721407044 is a wasteful number, since it uses less digits than its factorization.

36612721407044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 538422373654 (or 538422373652 counting only the distinct ones).

The product of its (nonzero) digits is 1354752, while the sum is 47.

The spelling of 36612721407044 in words is "thirty-six trillion, six hundred twelve billion, seven hundred twenty-one million, four hundred seven thousand, forty-four".