1540652942036 has 12 divisors (see below), whose sum is σ = 2903538237012. Its totient is φ = 711070588608.

The previous prime is 1540652941979. The next prime is 1540652942047. The reversal of 1540652942036 is 6302492560451.

It can be written as a sum of positive squares in 2 ways, for example, as 739180379536 + 801472562500 = 859756^2 + 895250^2 .

It is a super-2 number, since 2×1540652942036² (a number of 25 digits) contains 22 as substring.

It is a congruent number.

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, 14813970545 + ... + 14813970648.

It is an arithmetic number, because the mean of its divisors is an integer number (241961519751).

Almost surely, 2^{1540652942036} is an apocalyptic number.

It is an amenable number.

1540652942036 is a deficient number, since it is larger than the sum of its proper divisors (1362885294976).

1540652942036 is a wasteful number, since it uses less digits than its factorization.

1540652942036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29627941210 (or 29627941208 counting only the distinct ones).

The product of its (nonzero) digits is 1555200, while the sum is 47.

The spelling of 1540652942036 in words is "one trillion, five hundred forty billion, six hundred fifty-two million, nine hundred forty-two thousand, thirty-six".