40508618547 has 16 divisors (see below), whose sum is σ = 55526003712. Its totient is φ = 26256100800.

The previous prime is 40508618543. The next prime is 40508618551. The reversal of 40508618547 is 74581680504.

40508618547 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (40508618543) and next prime (40508618551).

It is not a de Polignac number, because 40508618547 - 2² = 40508618543 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 40508618496 and 40508618505.

It is not an unprimeable number, because it can be changed into a prime (40508618543) 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, 930018 + ... + 972599.

It is an arithmetic number, because the mean of its divisors is an integer number (3470375232).

Almost surely, 2^40508618547 is an apocalyptic number.

40508618547 is a gapful number since it is divisible by the number (47) formed by its first and last digit.

40508618547 is a deficient number, since it is larger than the sum of its proper divisors (15017385165).

40508618547 is a wasteful number, since it uses less digits than its factorization.

40508618547 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1902818.

The product of its (nonzero) digits is 1075200, while the sum is 48.

The spelling of 40508618547 in words is "forty billion, five hundred eight million, six hundred eighteen thousand, five hundred forty-seven".