40556553045 has 16 divisors (see below), whose sum is σ = 64894699392. Its totient is φ = 21628756800.

The previous prime is 40556552963. The next prime is 40556553101. The reversal of 40556553045 is 54035565504.

It is not a de Polignac number, because 40556553045 - 2¹⁷ = 40556421973 is a prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 40556552988 and 40556553006.

It is a congruent number.

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, 176520 + ... + 335070.

It is an arithmetic number, because the mean of its divisors is an integer number (4055918712).

Almost surely, 2^40556553045 is an apocalyptic number.

It is an amenable number.

40556553045 is a deficient number, since it is larger than the sum of its proper divisors (24338146347).

40556553045 is a wasteful number, since it uses less digits than its factorization.

40556553045 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 175612.

The product of its (nonzero) digits is 900000, while the sum is 42.

The spelling of 40556553045 in words is "forty billion, five hundred fifty-six million, five hundred fifty-three thousand, forty-five".