3699680400 has 360 divisors, whose sum is σ = 14266006560. Its totient is φ = 910241280.

The previous prime is 3699680377. The next prime is 3699680443. The reversal of 3699680400 is 40869963.

It is a tau number, because it is divible by the number of its divisors (360).

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

It is an unprimeable number.

It is a polite number, since it can be written in 71 ways as a sum of consecutive naturals, for example, 1824187 + ... + 1826213.

It is an arithmetic number, because the mean of its divisors is an integer number (39627796).

Almost surely, 2^3699680400 is an apocalyptic number.

3699680400 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3699680400, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (7133003280).

3699680400 is an abundant number, since it is smaller than the sum of its proper divisors (10566326160).

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

3699680400 is a wasteful number, since it uses less digits than its factorization.

3699680400 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2080 (or 2050 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 45.

The square root of 3699680400 is about 60824.9981504315. The cubic root of 3699680400 is about 1546.6358392422.

The spelling of 3699680400 in words is "three billion, six hundred ninety-nine million, six hundred eighty thousand, four hundred".