40556104437 has 8 divisors (see below), whose sum is σ = 54147587904. Its totient is φ = 27001011968.

The previous prime is 40556104399. The next prime is 40556104487. The reversal of 40556104437 is 73440165504.

It is a happy number.

40556104437 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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 40556104437 - 2³² = 36261137141 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40556104395 and 40556104404.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40556104487) 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, 9095148 + ... + 9099605.

It is an arithmetic number, because the mean of its divisors is an integer number (6768448488).

Almost surely, 2^40556104437 is an apocalyptic number.

It is an amenable number.

40556104437 is a deficient number, since it is larger than the sum of its proper divisors (13591483467).

40556104437 is a wasteful number, since it uses less digits than its factorization.

40556104437 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18195499.

The product of its (nonzero) digits is 201600, while the sum is 39.

The spelling of 40556104437 in words is "forty billion, five hundred fifty-six million, one hundred four thousand, four hundred thirty-seven".