40047547245 has 48 divisors (see below), whose sum is σ = 67942990080. Its totient is φ = 20118837760.

The previous prime is 40047547237. The next prime is 40047547271. The reversal of 40047547245 is 54274574004.

It is not a de Polignac number, because 40047547245 - 2³ = 40047547237 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40047547197 and 40047547206.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 703852 + ... + 758618.

It is an arithmetic number, because the mean of its divisors is an integer number (1415478960).

Almost surely, 2^40047547245 is an apocalyptic number.

It is an amenable number.

40047547245 is a deficient number, since it is larger than the sum of its proper divisors (27895442835).

40047547245 is a wasteful number, since it uses less digits than its factorization.

40047547245 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 54886 (or 54845 counting only the distinct ones).

The product of its (nonzero) digits is 627200, while the sum is 42.

The spelling of 40047547245 in words is "forty billion, forty-seven million, five hundred forty-seven thousand, two hundred forty-five".