34781403780 has 96 divisors (see below), whose sum is σ = 111133438080. Its totient is φ = 9024359040.

The previous prime is 34781403773. The next prime is 34781403823. The reversal of 34781403780 is 8730418743.

34781403780 is a `hidden beast` number, since 3 + 478 + 140 + 37 + 8 + 0 = 666.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 850426 + ... + 890385.

It is an arithmetic number, because the mean of its divisors is an integer number (1157639980).

Almost surely, 2^34781403780 is an apocalyptic number.

34781403780 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

34781403780 is an abundant number, since it is smaller than the sum of its proper divisors (76352034300).

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

34781403780 is a wasteful number, since it uses less digits than its factorization.

34781403780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1740866 (or 1740858 counting only the distinct ones).

The product of its (nonzero) digits is 451584, while the sum is 45.

The spelling of 34781403780 in words is "thirty-four billion, seven hundred eighty-one million, four hundred three thousand, seven hundred eighty".