40244656347 has 24 divisors (see below), whose sum is σ = 66440914176. Its totient is φ = 22995115056.

The previous prime is 40244656279. The next prime is 40244656373. The reversal of 40244656347 is 74365644204.

40244656347 is a `hidden beast` number, since 4 + 0 + 2 + 4 + 4 + 6 + 5 + 634 + 7 = 666.

It is not a de Polignac number, because 40244656347 - 2¹⁹ = 40244132059 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40244656547) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 1407568 + ... + 1435874.

It is an arithmetic number, because the mean of its divisors is an integer number (2768371424).

Almost surely, 2^40244656347 is an apocalyptic number.

40244656347 is a deficient number, since it is larger than the sum of its proper divisors (26196257829).

40244656347 is a wasteful number, since it uses less digits than its factorization.

40244656347 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 50887 (or 50884 counting only the distinct ones).

The product of its (nonzero) digits is 1935360, while the sum is 45.

The spelling of 40244656347 in words is "forty billion, two hundred forty-four million, six hundred fifty-six thousand, three hundred forty-seven".