40530457623 has 16 divisors (see below), whose sum is σ = 55910638080. Its totient is φ = 26085509856.

The previous prime is 40530457621. The next prime is 40530457679. The reversal of 40530457623 is 32675403504.

It is not a de Polignac number, because 40530457623 - 2¹ = 40530457621 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40530457621) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 897286 + ... + 941372.

It is an arithmetic number, because the mean of its divisors is an integer number (3494414880).

Almost surely, 2^40530457623 is an apocalyptic number.

40530457623 is a deficient number, since it is larger than the sum of its proper divisors (15380180457).

40530457623 is a wasteful number, since it uses less digits than its factorization.

40530457623 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54686.

The product of its (nonzero) digits is 302400, while the sum is 39.

The spelling of 40530457623 in words is "forty billion, five hundred thirty million, four hundred fifty-seven thousand, six hundred twenty-three".