40003742547 has 24 divisors (see below), whose sum is σ = 59385222000. Its totient is φ = 25930739520.

The previous prime is 40003742543. The next prime is 40003742561. The reversal of 40003742547 is 74524730004.

40003742547 is a `hidden beast` number, since 40 + 0 + 0 + 3 + 74 + 2 + 547 = 666.

It is not a de Polignac number, because 40003742547 - 2² = 40003742543 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40003742543) 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, 459097 + ... + 539237.

It is an arithmetic number, because the mean of its divisors is an integer number (2474384250).

Almost surely, 2^40003742547 is an apocalyptic number.

40003742547 is a deficient number, since it is larger than the sum of its proper divisors (19381479453).

40003742547 is a wasteful number, since it uses less digits than its factorization.

40003742547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 81683 (or 81680 counting only the distinct ones).

The product of its (nonzero) digits is 94080, while the sum is 36.

The spelling of 40003742547 in words is "forty billion, three million, seven hundred forty-two thousand, five hundred forty-seven".