40274570645 has 8 divisors (see below), whose sum is σ = 48341510304. Its totient is φ = 32211639504.

The previous prime is 40274570621. The next prime is 40274570663. The reversal of 40274570645 is 54607547204.

It is a happy number.

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 40274570645 - 2¹⁴ = 40274554261 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40274570596 and 40274570605.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 979979 + ... + 1020248.

It is an arithmetic number, because the mean of its divisors is an integer number (6042688788).

Almost surely, 2^40274570645 is an apocalyptic number.

It is an amenable number.

40274570645 is a deficient number, since it is larger than the sum of its proper divisors (8066939659).

40274570645 is a wasteful number, since it uses less digits than its factorization.

40274570645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2004259.

The product of its (nonzero) digits is 940800, while the sum is 44.

The spelling of 40274570645 in words is "forty billion, two hundred seventy-four million, five hundred seventy thousand, six hundred forty-five".