40265894647 has 16 divisors (see below), whose sum is σ = 46305429120. Its totient is φ = 34628450400.

The previous prime is 40265894639. The next prime is 40265894653. The reversal of 40265894647 is 74649856204.

It is a cyclic number.

It is not a de Polignac number, because 40265894647 - 2³ = 40265894639 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40265894657) 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, 5013 + ... + 283825.

It is an arithmetic number, because the mean of its divisors is an integer number (2894089320).

Almost surely, 2^40265894647 is an apocalyptic number.

40265894647 is a deficient number, since it is larger than the sum of its proper divisors (6039534473).

40265894647 is a wasteful number, since it uses less digits than its factorization.

40265894647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 279534.

The product of its (nonzero) digits is 11612160, while the sum is 55.

The spelling of 40265894647 in words is "forty billion, two hundred sixty-five million, eight hundred ninety-four thousand, six hundred forty-seven".