242691040 has 24 divisors (see below), whose sum is σ = 573357960. Its totient is φ = 97076352.

The previous prime is 242691023. The next prime is 242691061. The reversal of 242691040 is 40196242.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 758250 + ... + 758569.

It is an arithmetic number, because the mean of its divisors is an integer number (23889915).

Almost surely, 2^242691040 is an apocalyptic number.

242691040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

242691040 is an abundant number, since it is smaller than the sum of its proper divisors (330666920).

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

242691040 is a wasteful number, since it uses less digits than its factorization.

242691040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1516834 (or 1516826 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 242691040 is about 15578.5442195348. The cubic root of 242691040 is about 623.7605645042.

The spelling of 242691040 in words is "two hundred forty-two million, six hundred ninety-one thousand, forty".