6910426840 has 32 divisors (see below), whose sum is σ = 15592538880. Its totient is φ = 2756334592.

The previous prime is 6910426759. The next prime is 6910426847. The reversal of 6910426840 is 486240196.

It is a super-2 number, since 2×6910426840² = 95507998221984771200, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is a junction number, because it is equal to n+sod(n) for n = 6910426793 and 6910426802.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6910426847) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 230584 + ... + 258823.

It is an arithmetic number, because the mean of its divisors is an integer number (487266840).

Almost surely, 2^6910426840 is an apocalyptic number.

It is an amenable number.

6910426840 is an abundant number, since it is smaller than the sum of its proper divisors (8682112040).

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

6910426840 is a wasteful number, since it uses less digits than its factorization.

6910426840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 489771 (or 489767 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 40.

The square root of 6910426840 is about 83128.9771379391. The cubic root of 6910426840 is about 1904.7367354337.

The spelling of 6910426840 in words is "six billion, nine hundred ten million, four hundred twenty-six thousand, eight hundred forty".