40021137747573 has 8 divisors (see below), whose sum is σ = 53480362248000. Its totient is φ = 26621335872768.

The previous prime is 40021137747541. The next prime is 40021137747587. The reversal of 40021137747573 is 37574773112004.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 40021137747573 - 2⁵ = 40021137747541 is a prime.

It is a super-2 number, since 2×40021137747573² (a number of 28 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40021137747593) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14855654833 + ... + 14855657526.

It is an arithmetic number, because the mean of its divisors is an integer number (6685045281000).

Almost surely, 2^{40021137747573} is an apocalyptic number.

It is an amenable number.

40021137747573 is a deficient number, since it is larger than the sum of its proper divisors (13459224500427).

40021137747573 is a wasteful number, since it uses less digits than its factorization.

40021137747573 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 29711312811.

The product of its (nonzero) digits is 3457440, while the sum is 51.

The spelling of 40021137747573 in words is "forty trillion, twenty-one billion, one hundred thirty-seven million, seven hundred forty-seven thousand, five hundred seventy-three".