1550039940036 has 405 divisors, whose sum is σ = 4851582249591. Its totient is φ = 430274073600.

The previous prime is 1550039939963. The next prime is 1550039940049. The reversal of 1550039940036 is 6300499300551.

The square root of 1550039940036 is 1245006.

It is a perfect power (a square), and thus also a powerful number.

1550039940036 is a `hidden beast` number, since 1 + 550 + 0 + 3 + 9 + 94 + 0 + 0 + 3 + 6 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 135272426436 + 1414767513600 = 367794^2 + 1189440^2 .

It is a junction number, because it is equal to n+sod(n) for n = 1550039939973 and 1550039940000.

It is an unprimeable number.

It is a polite number, since it can be written in 134 ways as a sum of consecutive naturals, for example, 6431700876 + ... + 6431701116.

Almost surely, 2^{1550039940036} is an apocalyptic number.

1550039940036 is the 1245006-th square number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 1550039940036

1550039940036 is an abundant number, since it is smaller than the sum of its proper divisors (3301542309555).

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

1550039940036 is an equidigital number, since it uses as much as digits as its factorization.

1550039940036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 594 (or 294 counting only the distinct ones).

The product of its (nonzero) digits is 437400, while the sum is 45.

The spelling of 1550039940036 in words is "one trillion, five hundred fifty billion, thirty-nine million, nine hundred forty thousand, thirty-six".