40254646345 has 16 divisors (see below), whose sum is σ = 50659142400. Its totient is φ = 30648746304.

The previous prime is 40254646301. The next prime is 40254646351. The reversal of 40254646345 is 54364645204.

40254646345 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a cyclic number.

It is not a de Polignac number, because 40254646345 - 2¹³ = 40254638153 is a prime.

It is a super-2 number, since 2×40254646345² (a number of 22 digits) contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 856614 + ... + 902383.

It is an arithmetic number, because the mean of its divisors is an integer number (3166196400).

Almost surely, 2^40254646345 is an apocalyptic number.

It is an amenable number.

40254646345 is a deficient number, since it is larger than the sum of its proper divisors (10404496055).

40254646345 is a wasteful number, since it uses less digits than its factorization.

40254646345 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1759224.

The product of its (nonzero) digits is 1382400, while the sum is 43.

The spelling of 40254646345 in words is "forty billion, two hundred fifty-four million, six hundred forty-six thousand, three hundred forty-five".