40401625279039 has 4 divisors (see below), whose sum is σ = 40445114650560. Its totient is φ = 40358135907520.

The previous prime is 40401625279013. The next prime is 40401625279109. The reversal of 40401625279039 is 93097252610404.

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 40401625279039 - 2²³ = 40401616890431 is a prime.

It is a super-2 number, since 2×40401625279039² (a number of 28 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 (40401625273039) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 21744684367 + ... + 21744686224.

It is an arithmetic number, because the mean of its divisors is an integer number (10111278662640).

Almost surely, 2^{40401625279039} is an apocalyptic number.

40401625279039 is a deficient number, since it is larger than the sum of its proper divisors (43489371521).

40401625279039 is an equidigital number, since it uses as much as digits as its factorization.

40401625279039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 43489371520.

The product of its (nonzero) digits is 3265920, while the sum is 52.

The spelling of 40401625279039 in words is "forty trillion, four hundred one billion, six hundred twenty-five million, two hundred seventy-nine thousand, thirty-nine".