3694996662480 has 320 divisors, whose sum is σ = 13025586309120. Its totient is φ = 962399453184.

The previous prime is 3694996662479. The next prime is 3694996662521. The reversal of 3694996662480 is 842666994963.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (72).

It is a junction number, because it is equal to n+sod(n) for n = 3694996662399 and 3694996662408.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 25456672 + ... + 25601408.

It is an arithmetic number, because the mean of its divisors is an integer number (40704957216).

Almost surely, 2^{3694996662480} is an apocalyptic number.

3694996662480 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 3694996662480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6512793154560).

3694996662480 is an abundant number, since it is smaller than the sum of its proper divisors (9330589646640).

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

3694996662480 is a wasteful number, since it uses less digits than its factorization.

3694996662480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 145035 (or 145023 counting only the distinct ones).

The product of its (nonzero) digits is 725594112, while the sum is 72.

The spelling of 3694996662480 in words is "three trillion, six hundred ninety-four billion, nine hundred ninety-six million, six hundred sixty-two thousand, four hundred eighty".