240426253155 has 32 divisors (see below), whose sum is σ = 429888549888. Its totient is φ = 113727123200.

The previous prime is 240426253103. The next prime is 240426253157. The reversal of 240426253155 is 551352624042.

It is not a de Polignac number, because 240426253155 - 2⁶ = 240426253091 is a prime.

It is not an unprimeable number, because it can be changed into a prime (240426253157) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 17763099 + ... + 17776628.

It is an arithmetic number, because the mean of its divisors is an integer number (13434017184).

Almost surely, 2^240426253155 is an apocalyptic number.

240426253155 is a deficient number, since it is larger than the sum of its proper divisors (189462296733).

240426253155 is a wasteful number, since it uses less digits than its factorization.

240426253155 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35539787.

The product of its (nonzero) digits is 288000, while the sum is 39.

Adding to 240426253155 its reverse (551352624042), we get a palindrome (791778877197).

The spelling of 240426253155 in words is "two hundred forty billion, four hundred twenty-six million, two hundred fifty-three thousand, one hundred fifty-five".