240819672136 has 16 divisors (see below), whose sum is σ = 451565456940. Its totient is φ = 120402216960.

The previous prime is 240819672127. The next prime is 240819672143. The reversal of 240819672136 is 631276918042.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 227523276036 + 13296396100 = 476994^2 + 115310^2 .

It is a super-2 number, since 2×240819672136² (a number of 24 digits) contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 240819672136.

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, 816925 + ... + 1071916.

Almost surely, 2^240819672136 is an apocalyptic number.

It is an amenable number.

240819672136 is a deficient number, since it is larger than the sum of its proper divisors (210745784804).

240819672136 is a wasteful number, since it uses less digits than its factorization.

240819672136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1904784 (or 1904780 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 49.

The spelling of 240819672136 in words is "two hundred forty billion, eight hundred nineteen million, six hundred seventy-two thousand, one hundred thirty-six".