36125497440 has 72 divisors (see below), whose sum is σ = 123278264928. Its totient is φ = 9633465600.

The previous prime is 36125497439. The next prime is 36125497459. The reversal of 36125497440 is 4479452163.

36125497440 is a `hidden beast` number, since 3 + 61 + 2 + 549 + 7 + 4 + 40 = 666.

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12542136 + ... + 12545015.

It is an arithmetic number, because the mean of its divisors is an integer number (1712198124).

Almost surely, 2^36125497440 is an apocalyptic number.

36125497440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

36125497440 is an abundant number, since it is smaller than the sum of its proper divisors (87152767488).

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

36125497440 is a wasteful number, since it uses less digits than its factorization.

36125497440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25087172 (or 25087161 counting only the distinct ones).

The product of its (nonzero) digits is 725760, while the sum is 45.

The spelling of 36125497440 in words is "thirty-six billion, one hundred twenty-five million, four hundred ninety-seven thousand, four hundred forty".