34078353990 has 64 divisors (see below), whose sum is σ = 82555200000. Its totient is φ = 9002721024.

The previous prime is 34078353979. The next prime is 34078353997. The reversal of 34078353990 is 9935387043.

It is a super-2 number, since 2×34078353990² (a number of 22 digits) contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (34078353997) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 1378761 + ... + 1403259.

It is an arithmetic number, because the mean of its divisors is an integer number (1289925000).

Almost surely, 2^34078353990 is an apocalyptic number.

34078353990 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

34078353990 is an abundant number, since it is smaller than the sum of its proper divisors (48476846010).

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

34078353990 is a wasteful number, since it uses less digits than its factorization.

34078353990 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24941.

The product of its (nonzero) digits is 2449440, while the sum is 51.

The spelling of 34078353990 in words is "thirty-four billion, seventy-eight million, three hundred fifty-three thousand, nine hundred ninety".