240551244554451 has 16 divisors (see below), whose sum is σ = 336378875652864. Its totient is φ = 152616341714144.

The previous prime is 240551244554443. The next prime is 240551244554473. The reversal of 240551244554451 is 154455442155042.

It is a cyclic number.

It is not a de Polignac number, because 240551244554451 - 2³ = 240551244554443 is a prime.

It is a super-2 number, since 2×240551244554451² (a number of 30 digits) contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 240551244554394 and 240551244554403.

It is not an unprimeable number, because it can be changed into a prime (240551244554431) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8848336461 + ... + 8848363646.

It is an arithmetic number, because the mean of its divisors is an integer number (21023679728304).

Almost surely, 2^{240551244554451} is an apocalyptic number.

240551244554451 is a deficient number, since it is larger than the sum of its proper divisors (95827631098413).

240551244554451 is a wasteful number, since it uses less digits than its factorization.

240551244554451 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17696700330.

The product of its (nonzero) digits is 12800000, while the sum is 51.

The spelling of 240551244554451 in words is "two hundred forty trillion, five hundred fifty-one billion, two hundred forty-four million, five hundred fifty-four thousand, four hundred fifty-one".