40215555104 has 12 divisors (see below), whose sum is σ = 79174374174. Its totient is φ = 20107777536.

The previous prime is 40215555103. The next prime is 40215555137. The reversal of 40215555104 is 40155551204.

It can be written as a sum of positive squares in only one way, i.e., 36764227600 + 3451327504 = 191740^2 + 58748^2 .

It is a Harshad number since it is a multiple of its sum of digits (32), and also a Moran number because the ratio is a prime number: 1256736097 = 40215555104 / (4 + 0 + 2 + 1 + 5 + 5 + 5 + 5 + 1 + 0 + 4).

It is not an unprimeable number, because it can be changed into a prime (40215555103) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 628368017 + ... + 628368080.

Almost surely, 2^40215555104 is an apocalyptic number.

It is an amenable number.

40215555104 is a deficient number, since it is larger than the sum of its proper divisors (38958819070).

40215555104 is a wasteful number, since it uses less digits than its factorization.

40215555104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1256736107 (or 1256736099 counting only the distinct ones).

The product of its (nonzero) digits is 20000, while the sum is 32.

The spelling of 40215555104 in words is "forty billion, two hundred fifteen million, five hundred fifty-five thousand, one hundred four".