40647506747375 has 32 divisors (see below), whose sum is σ = 55452441957120. Its totient is φ = 29501615220000.

The previous prime is 40647506747333. The next prime is 40647506747461. The reversal of 40647506747375 is 57374760574604.

It is not a de Polignac number, because 40647506747375 - 2⁸ = 40647506747119 is a prime.

It is a Smith number, since the sum of its digits (65) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 29428565 + ... + 30778814.

It is an arithmetic number, because the mean of its divisors is an integer number (1732888811160).

Almost surely, 2^{40647506747375} is an apocalyptic number.

40647506747375 is a deficient number, since it is larger than the sum of its proper divisors (14804935209745).

40647506747375 is a wasteful number, since it uses less digits than its factorization.

40647506747375 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 60207896 (or 60207886 counting only the distinct ones).

The product of its (nonzero) digits is 414892800, while the sum is 65.

The spelling of 40647506747375 in words is "forty trillion, six hundred forty-seven billion, five hundred six million, seven hundred forty-seven thousand, three hundred seventy-five".