3764663280 has 120 divisors (see below), whose sum is σ = 14449155552. Its totient is φ = 860493312.

The previous prime is 3764663269. The next prime is 3764663303. The reversal of 3764663280 is 823664673.

3764663280 is a `hidden beast` number, since 3 + 7 + 6 + 4 + 6 + 632 + 8 + 0 = 666.

It is a tau number, because it is divible by the number of its divisors (120).

It is a super-2 number, since 2×3764663280² = 28345379223560716800, which contains 22 as substring.

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 23 ways as a sum of consecutive naturals, for example, 368439 + ... + 378518.

Almost surely, 2^3764663280 is an apocalyptic number.

3764663280 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

3764663280 is an abundant number, since it is smaller than the sum of its proper divisors (10684492272).

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

3764663280 is a wasteful number, since it uses less digits than its factorization.

3764663280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 746983 (or 746974 counting only the distinct ones).

The product of its (nonzero) digits is 870912, while the sum is 45.

The square root of 3764663280 is about 61356.8519401053. The cubic root of 3764663280 is about 1555.6386068885.

The spelling of 3764663280 in words is "three billion, seven hundred sixty-four million, six hundred sixty-three thousand, two hundred eighty".