240491372406 has 16 divisors (see below), whose sum is σ = 509275847664. Its totient is φ = 75448273664.

The previous prime is 240491372371. The next prime is 240491372437. The reversal of 240491372406 is 604273194042.

It is a super-2 number, since 2×240491372406² (a number of 24 digits) contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1178879175 + ... + 1178879378.

It is an arithmetic number, because the mean of its divisors is an integer number (31829740479).

Almost surely, 2^240491372406 is an apocalyptic number.

240491372406 is an abundant number, since it is smaller than the sum of its proper divisors (268784475258).

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

240491372406 is a wasteful number, since it uses less digits than its factorization.

240491372406 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2357758575.

The product of its (nonzero) digits is 290304, while the sum is 42.

The spelling of 240491372406 in words is "two hundred forty billion, four hundred ninety-one million, three hundred seventy-two thousand, four hundred six".