32120134501440 has 56 divisors (see below), whose sum is σ = 101981427045120. Its totient is φ = 8565369200128.

The previous prime is 32120134501423. The next prime is 32120134501463. The reversal of 32120134501440 is 4410543102123.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 32120134501398 and 32120134501407.

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, 16729235760 + ... + 16729237679.

It is an arithmetic number, because the mean of its divisors is an integer number (1821096911520).

Almost surely, 2^{32120134501440} is an apocalyptic number.

32120134501440 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

It is an amenable number.

32120134501440 is an abundant number, since it is smaller than the sum of its proper divisors (69861292543680).

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

32120134501440 is a wasteful number, since it uses less digits than its factorization.

32120134501440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 33458473459 (or 33458473449 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

Adding to 32120134501440 its reverse (4410543102123), we get a palindrome (36530677603563).

The spelling of 32120134501440 in words is "thirty-two trillion, one hundred twenty billion, one hundred thirty-four million, five hundred one thousand, four hundred forty".