40258382445 has 24 divisors (see below), whose sum is σ = 69787777176. Its totient is φ = 21469112448.

The previous prime is 40258382401. The next prime is 40258382459. The reversal of 40258382445 is 54428385204.

40258382445 is a `hidden beast` number, since 4 + 0 + 2 + 583 + 8 + 24 + 45 = 666.

It can be written as a sum of positive squares in 4 ways, for example, as 4198651209 + 36059731236 = 64797^2 + 189894^2 .

It is not a de Polignac number, because 40258382445 - 2¹⁶ = 40258316909 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a self number, because there is not a number n which added to its sum of digits gives 40258382445.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 523699 + ... + 595631.

It is an arithmetic number, because the mean of its divisors is an integer number (2907824049).

Almost surely, 2^40258382445 is an apocalyptic number.

40258382445 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

40258382445 is a deficient number, since it is larger than the sum of its proper divisors (29529394731).

40258382445 is a wasteful number, since it uses less digits than its factorization.

40258382445 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84381 (or 84378 counting only the distinct ones).

The product of its (nonzero) digits is 1228800, while the sum is 45.

The spelling of 40258382445 in words is "forty billion, two hundred fifty-eight million, three hundred eighty-two thousand, four hundred forty-five".