35998957440 has 256 divisors, whose sum is σ = 131894568000. Its totient is φ = 9268568064.

The previous prime is 35998957367. The next prime is 35998957471. The reversal of 35998957440 is 4475989953.

35998957440 is a `hidden beast` number, since 3 + 59 + 9 + 8 + 9 + 574 + 4 + 0 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 465202 + ... + 537038.

Almost surely, 2^35998957440 is an apocalyptic number.

35998957440 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 35998957440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (65947284000).

35998957440 is an abundant number, since it is smaller than the sum of its proper divisors (95895610560).

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

35998957440 is a wasteful number, since it uses less digits than its factorization.

35998957440 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 71894 (or 71876 counting only the distinct ones).

The product of its (nonzero) digits is 48988800, while the sum is 63.

The spelling of 35998957440 in words is "thirty-five billion, nine hundred ninety-eight million, nine hundred fifty-seven thousand, four hundred forty".