35978642532 has 240 divisors, whose sum is σ = 112791669760. Its totient is φ = 9783763200.

The previous prime is 35978642521. The next prime is 35978642533. The reversal of 35978642532 is 23524687953.

35978642532 is a `hidden beast` number, since 3 + 597 + 8 + 6 + 42 + 5 + 3 + 2 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is not an unprimeable number, because it can be changed into a prime (35978642533) by changing a digit.

It is a polite number, since it can be written in 79 ways as a sum of consecutive naturals, for example, 4284594 + ... + 4292982.

Almost surely, 2^35978642532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 35978642532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (56395834880).

35978642532 is an abundant number, since it is smaller than the sum of its proper divisors (76813027228).

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

35978642532 is a wasteful number, since it uses less digits than its factorization.

35978642532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8504 (or 8493 counting only the distinct ones).

The product of its digits is 10886400, while the sum is 54.

The spelling of 35978642532 in words is "thirty-five billion, nine hundred seventy-eight million, six hundred forty-two thousand, five hundred thirty-two".