40348389651558 has 32 divisors (see below), whose sum is σ = 80836543489536. Its totient is φ = 13426189300128.

The previous prime is 40348389651529. The next prime is 40348389651589. The reversal of 40348389651558 is 85515698384304.

It is a junction number, because it is equal to n+sod(n) for n = 40348389651492 and 40348389651501.

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, 5514541 + ... + 10540727.

It is an arithmetic number, because the mean of its divisors is an integer number (2526141984048).

Almost surely, 2^{40348389651558} is an apocalyptic number.

40348389651558 is an abundant number, since it is smaller than the sum of its proper divisors (40488153837978).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

40348389651558 is a wasteful number, since it uses less digits than its factorization.

40348389651558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5028508.

The product of its (nonzero) digits is 497664000, while the sum is 69.

The spelling of 40348389651558 in words is "forty trillion, three hundred forty-eight billion, three hundred eighty-nine million, six hundred fifty-one thousand, five hundred fifty-eight".