32923376640 has 880 divisors, whose sum is σ = 147233078784. Its totient is φ = 6834585600.

The previous prime is 32923376639. The next prime is 32923376653. The reversal of 32923376640 is 4667332923.

It is a tau number, because it is divible by the number of its divisors (880).

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 79 ways as a sum of consecutive naturals, for example, 31932925 + ... + 31933955.

Almost surely, 2^32923376640 is an apocalyptic number.

32923376640 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 32923376640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (73616539392).

32923376640 is an abundant number, since it is smaller than the sum of its proper divisors (114309702144).

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

32923376640 is a wasteful number, since it uses less digits than its factorization.

32923376640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1086 (or 1059 counting only the distinct ones).

The product of its (nonzero) digits is 979776, while the sum is 45.

The spelling of 32923376640 in words is "thirty-two billion, nine hundred twenty-three million, three hundred seventy-six thousand, six hundred forty".