40452421593 has 8 divisors (see below), whose sum is σ = 53937631008. Its totient is φ = 26967746624.

The previous prime is 40452421579. The next prime is 40452421619. The reversal of 40452421593 is 39512425404.

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

It is a cyclic number.

It is not a de Polignac number, because 40452421593 - 2¹³ = 40452413401 is a prime.

It is not an unprimeable number, because it can be changed into a prime (40452421543) 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, 102721 + ... + 302417.

It is an arithmetic number, because the mean of its divisors is an integer number (6742203876).

Almost surely, 2^40452421593 is an apocalyptic number.

It is an amenable number.

40452421593 is a deficient number, since it is larger than the sum of its proper divisors (13485209415).

40452421593 is a wasteful number, since it uses less digits than its factorization.

40452421593 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 267223.

The product of its (nonzero) digits is 172800, while the sum is 39.

Adding to 40452421593 its reverse (39512425404), we get a palindrome (79964846997).

The spelling of 40452421593 in words is "forty billion, four hundred fifty-two million, four hundred twenty-one thousand, five hundred ninety-three".