40572569930 has 8 divisors (see below), whose sum is σ = 73030625892. Its totient is φ = 16229027968.

The previous prime is 40572569927. The next prime is 40572569941. The reversal of 40572569930 is 3996527504.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 38699151841 + 1873418089 = 196721^2 + 43283^2 .

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

It is a super-3 number, since 3×40572569930³ (a number of 33 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2028628487 + ... + 2028628506.

Almost surely, 2^40572569930 is an apocalyptic number.

40572569930 is a deficient number, since it is larger than the sum of its proper divisors (32458055962).

40572569930 is a wasteful number, since it uses less digits than its factorization.

40572569930 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4057257000.

The product of its (nonzero) digits is 2041200, while the sum is 50.

The spelling of 40572569930 in words is "forty billion, five hundred seventy-two million, five hundred sixty-nine thousand, nine hundred thirty".