240420097 has 12 divisors (see below), whose sum is σ = 250986708. Its totient is φ = 230268000.

The previous prime is 240420083. The next prime is 240420107. The reversal of 240420097 is 790024042.

It can be written as a sum of positive squares in 2 ways, for example, as 186896241 + 53523856 = 13671^2 + 7316^2 .

It is a de Polignac number, because none of the positive numbers 2^k-240420097 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (240420077) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 95823 + ... + 98299.

It is an arithmetic number, because the mean of its divisors is an integer number (20915559).

Almost surely, 2^240420097 is an apocalyptic number.

It is an amenable number.

240420097 is a deficient number, since it is larger than the sum of its proper divisors (10566611).

240420097 is a wasteful number, since it uses less digits than its factorization.

240420097 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2640 (or 2609 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 240420097 is about 15505.4860291447. The cubic root of 240420097 is about 621.8088840158.

The spelling of 240420097 in words is "two hundred forty million, four hundred twenty thousand, ninety-seven".