40152572647 has 4 divisors (see below), whose sum is σ = 43802806536. Its totient is φ = 36502338760.

The previous prime is 40152572633. The next prime is 40152572687. The reversal of 40152572647 is 74627525104.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 40152572647 - 2¹¹ = 40152570599 is a prime.

It is a super-2 number, since 2×40152572647² (a number of 22 digits) contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40152572617) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1825116928 + ... + 1825116949.

It is an arithmetic number, because the mean of its divisors is an integer number (10950701634).

Almost surely, 2^40152572647 is an apocalyptic number.

40152572647 is a deficient number, since it is larger than the sum of its proper divisors (3650233889).

40152572647 is a wasteful number, since it uses less digits than its factorization.

40152572647 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3650233888.

The product of its (nonzero) digits is 470400, while the sum is 43.

The spelling of 40152572647 in words is "forty billion, one hundred fifty-two million, five hundred seventy-two thousand, six hundred forty-seven".