1450865740978 has 16 divisors (see below), whose sum is σ = 2235519477720. Its totient is φ = 705699634176.

The previous prime is 1450865740967. The next prime is 1450865740999. The reversal of 1450865740978 is 8790475680541.

It can be written as a sum of positive squares in 4 ways, for example, as 887980174929 + 562885566049 = 942327^2 + 750257^2 .

It is a super-2 number, since 2×1450865740978² (a number of 25 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1348201 + ... + 2172412.

Almost surely, 2^{1450865740978} is an apocalyptic number.

1450865740978 is a deficient number, since it is larger than the sum of its proper divisors (784653736742).

1450865740978 is a wasteful number, since it uses less digits than its factorization.

1450865740978 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3526221.

The product of its (nonzero) digits is 67737600, while the sum is 64.

The spelling of 1450865740978 in words is "one trillion, four hundred fifty billion, eight hundred sixty-five million, seven hundred forty thousand, nine hundred seventy-eight".