3749408280 has 48 divisors (see below), whose sum is σ = 12185578080. Its totient is φ = 999842112.

The previous prime is 3749408279. The next prime is 3749408291. The reversal of 3749408280 is 828049473.

3749408280 is a `hidden beast` number, since 3 + 7 + 494 + 0 + 82 + 80 = 666.

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 5207152 + ... + 5207871.

It is an arithmetic number, because the mean of its divisors is an integer number (253866210).

Almost surely, 2^3749408280 is an apocalyptic number.

3749408280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3749408280 is an abundant number, since it is smaller than the sum of its proper divisors (8436169800).

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

3749408280 is a wasteful number, since it uses less digits than its factorization.

3749408280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10415040 (or 10415033 counting only the distinct ones).

The product of its (nonzero) digits is 387072, while the sum is 45.

The square root of 3749408280 is about 61232.4120054077. The cubic root of 3749408280 is about 1553.5345326066.

The spelling of 3749408280 in words is "three billion, seven hundred forty-nine million, four hundred eight thousand, two hundred eighty".