240155355 has 48 divisors (see below), whose sum is σ = 424714752. Its totient is φ = 115790400.

The previous prime is 240155323. The next prime is 240155359. The reversal of 240155355 is 553551042.

It is a happy number.

It is not a de Polignac number, because 240155355 - 2⁵ = 240155323 is a prime.

It is a Smith number, since the sum of its digits (30) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (240155359) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 556990 + ... + 557420.

It is an arithmetic number, because the mean of its divisors is an integer number (8848224).

Almost surely, 2^240155355 is an apocalyptic number.

240155355 is a deficient number, since it is larger than the sum of its proper divisors (184559397).

240155355 is a wasteful number, since it uses less digits than its factorization.

240155355 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 768 (or 757 counting only the distinct ones).

The product of its (nonzero) digits is 15000, while the sum is 30.

The square root of 240155355 is about 15496.9466347407. The cubic root of 240155355 is about 621.5805622979.

The spelling of 240155355 in words is "two hundred forty million, one hundred fifty-five thousand, three hundred fifty-five".