3499931280 has 40 divisors (see below), whose sum is σ = 10849787712. Its totient is φ = 933314944.

The previous prime is 3499931263. The next prime is 3499931291. The reversal of 3499931280 is 821399943.

It is a tau number, because it is divible by the number of its divisors (40).

It is a Smith number, since the sum of its digits (48) coincides with the sum of the digits of its prime factors.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 7291284 + ... + 7291763.

Almost surely, 2^3499931280 is an apocalyptic number.

3499931280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3499931280 is an abundant number, since it is smaller than the sum of its proper divisors (7349856432).

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

3499931280 is a wasteful number, since it uses less digits than its factorization.

3499931280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14583063 (or 14583057 counting only the distinct ones).

The product of its (nonzero) digits is 419904, while the sum is 48.

The square root of 3499931280 is about 59160.2170381414. The cubic root of 3499931280 is about 1518.2845489969.

The spelling of 3499931280 in words is "three billion, four hundred ninety-nine million, nine hundred thirty-one thousand, two hundred eighty".