1015352235440 has 20 divisors (see below), whose sum is σ = 2360693947584. Its totient is φ = 406140894144.

The previous prime is 1015352235419. The next prime is 1015352235449. The reversal of 1015352235440 is 445322535101.

It is a tau number, because it is divible by the number of its divisors (20).

It is a self number, because there is not a number n which added to its sum of digits gives 1015352235440.

It is not an unprimeable number, because it can be changed into a prime (1015352235449) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6345951392 + ... + 6345951551.

Almost surely, 2^{1015352235440} is an apocalyptic number.

1015352235440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1015352235440 is an abundant number, since it is smaller than the sum of its proper divisors (1345341712144).

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

1015352235440 is a wasteful number, since it uses less digits than its factorization.

1015352235440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12691902956 (or 12691902950 counting only the distinct ones).

The product of its (nonzero) digits is 72000, while the sum is 35.

The spelling of 1015352235440 in words is "one trillion, fifteen billion, three hundred fifty-two million, two hundred thirty-five thousand, four hundred forty".