40234347670521 has 8 divisors (see below), whose sum is σ = 53653960943584. Its totient is φ = 26818816422240.

The previous prime is 40234347670481. The next prime is 40234347670547. The reversal of 40234347670521 is 12507674343204.

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

It is not a de Polignac number, because 40234347670521 - 2⁷ = 40234347670393 is a prime.

It is a super-2 number, since 2×40234347670521² (a number of 28 digits) contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (40234347670591) 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, 1020483196 + ... + 1020522621.

It is an arithmetic number, because the mean of its divisors is an integer number (6706745117948).

Almost surely, 2^{40234347670521} is an apocalyptic number.

It is an amenable number.

40234347670521 is a deficient number, since it is larger than the sum of its proper divisors (13419613273063).

40234347670521 is a wasteful number, since it uses less digits than its factorization.

40234347670521 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2041012391.

The product of its (nonzero) digits is 3386880, while the sum is 48.

The spelling of 40234347670521 in words is "forty trillion, two hundred thirty-four billion, three hundred forty-seven million, six hundred seventy thousand, five hundred twenty-one".