366985978490 has 16 divisors (see below), whose sum is σ = 665396477352. Its totient is φ = 145722898944.

The previous prime is 366985978487. The next prime is 366985978493. The reversal of 366985978490 is 94879589663.

It is an interprime number because it is at equal distance from previous prime (366985978487) and next prime (366985978493).

It can be written as a sum of positive squares in 4 ways, for example, as 262616276521 + 104369701969 = 512461^2 + 323063^2 .

It is not an unprimeable number, because it can be changed into a prime (366985978493) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 133935119 + ... + 133937858.

Almost surely, 2^366985978490 is an apocalyptic number.

366985978490 is a deficient number, since it is larger than the sum of its proper divisors (298410498862).

366985978490 is a wasteful number, since it uses less digits than its factorization.

366985978490 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267873121.

The product of its (nonzero) digits is 705438720, while the sum is 74.

The spelling of 366985978490 in words is "three hundred sixty-six billion, nine hundred eighty-five million, nine hundred seventy-eight thousand, four hundred ninety".