840423462054 has 32 divisors (see below), whose sum is σ = 1861019127936. Its totient is φ = 250872673920.

The previous prime is 840423461989. The next prime is 840423462071. The reversal of 840423462054 is 450264324048.

It is a junction number, because it is equal to n+sod(n) for n = 840423461997 and 840423462015.

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, 95023107 + ... + 95031950.

It is an arithmetic number, because the mean of its divisors is an integer number (58156847748).

Almost surely, 2^840423462054 is an apocalyptic number.

840423462054 is an abundant number, since it is smaller than the sum of its proper divisors (1020595665882).

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

840423462054 is a wasteful number, since it uses less digits than its factorization.

840423462054 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 190055140.

The product of its (nonzero) digits is 737280, while the sum is 42.

The spelling of 840423462054 in words is "eight hundred forty billion, four hundred twenty-three million, four hundred sixty-two thousand, fifty-four".