3640212561302 has 16 divisors (see below), whose sum is σ = 5520538117440. Its totient is φ = 1800102767232.

The previous prime is 3640212561241. The next prime is 3640212561313. The reversal of 3640212561302 is 2031652120463.

It is a super-2 number, since 2×3640212561302² (a number of 26 digits) contains 22 as substring.

It is a congruent number.

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, 17289677 + ... + 17498952.

It is an arithmetic number, because the mean of its divisors is an integer number (345033632340).

Almost surely, 2^{3640212561302} is an apocalyptic number.

3640212561302 is a deficient number, since it is larger than the sum of its proper divisors (1880325556138).

3640212561302 is a wasteful number, since it uses less digits than its factorization.

3640212561302 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34789207.

The product of its (nonzero) digits is 51840, while the sum is 35.

Adding to 3640212561302 its reverse (2031652120463), we get a palindrome (5671864681765).

The spelling of 3640212561302 in words is "three trillion, six hundred forty billion, two hundred twelve million, five hundred sixty-one thousand, three hundred two".