40647269039385 has 16 divisors (see below), whose sum is σ = 65050584724800. Its totient is φ = 21673558733760.

The previous prime is 40647269039383. The next prime is 40647269039423. The reversal of 40647269039385 is 58393096274604.

It is not a de Polignac number, because 40647269039385 - 2¹ = 40647269039383 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40647269039381) 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, 311479711 + ... + 311610180.

It is an arithmetic number, because the mean of its divisors is an integer number (4065661545300).

Almost surely, 2^{40647269039385} is an apocalyptic number.

It is an amenable number.

40647269039385 is a deficient number, since it is larger than the sum of its proper divisors (24403315685415).

40647269039385 is a wasteful number, since it uses less digits than its factorization.

40647269039385 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 623094248.

The product of its (nonzero) digits is 235146240, while the sum is 66.

The spelling of 40647269039385 in words is "forty trillion, six hundred forty-seven billion, two hundred sixty-nine million, thirty-nine thousand, three hundred eighty-five".