1015765250040 has 48 divisors (see below), whose sum is σ = 3301237063800. Its totient is φ = 270870733248.

The previous prime is 1015765250011. The next prime is 1015765250047. The reversal of 1015765250040 is 400525675101.

1015765250040 is a `hidden beast` number, since 1 + 0 + 1 + 57 + 65 + 2 + 500 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 1015765249977 and 1015765250004.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1015765250047) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1410784710 + ... + 1410785429.

Almost surely, 2^{1015765250040} is an apocalyptic number.

1015765250040 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1015765250040 is an abundant number, since it is smaller than the sum of its proper divisors (2285471813760).

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

1015765250040 is a wasteful number, since it uses less digits than its factorization.

1015765250040 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2821570156 (or 2821570149 counting only the distinct ones).

The product of its (nonzero) digits is 42000, while the sum is 36.

The spelling of 1015765250040 in words is "one trillion, fifteen billion, seven hundred sixty-five million, two hundred fifty thousand, forty".