326311654140 has 120 divisors (see below), whose sum is σ = 1023798660192. Its totient is φ = 87003953280.

The previous prime is 326311654091. The next prime is 326311654147. The reversal of 326311654140 is 41456113623.

326311654140 is a `hidden beast` number, since 3 + 2 + 63 + 1 + 16 + 541 + 40 = 666.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 326311654095 and 326311654104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (326311654147) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 39 ways as a sum of consecutive naturals, for example, 18972945 + ... + 18990135.

Almost surely, 2^326311654140 is an apocalyptic number.

326311654140 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

326311654140 is an abundant number, since it is smaller than the sum of its proper divisors (697487006052).

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

326311654140 is a wasteful number, since it uses less digits than its factorization.

326311654140 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28929 (or 28918 counting only the distinct ones).

The product of its (nonzero) digits is 51840, while the sum is 36.

Adding to 326311654140 its reverse (41456113623), we get a palindrome (367767767763).

The spelling of 326311654140 in words is "three hundred twenty-six billion, three hundred eleven million, six hundred fifty-four thousand, one hundred forty".