34405698780 has 48 divisors (see below), whose sum is σ = 107039953440. Its totient is φ = 9174852864.

The previous prime is 34405698763. The next prime is 34405698791. The reversal of 34405698780 is 8789650443.

34405698780 is a `hidden beast` number, since 3 + 4 + 4 + 0 + 569 + 8 + 78 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

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, 31856589 + ... + 31857668.

It is an arithmetic number, because the mean of its divisors is an integer number (2229999030).

Almost surely, 2^34405698780 is an apocalyptic number.

34405698780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34405698780 is an abundant number, since it is smaller than the sum of its proper divisors (72634254660).

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

34405698780 is a wasteful number, since it uses less digits than its factorization.

34405698780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 63714275 (or 63714267 counting only the distinct ones).

The product of its (nonzero) digits is 5806080, while the sum is 54.

The spelling of 34405698780 in words is "thirty-four billion, four hundred five million, six hundred ninety-eight thousand, seven hundred eighty".