35408639420 has 96 divisors (see below), whose sum is σ = 92946147840. Its totient is φ = 11007901440.

The previous prime is 35408639411. The next prime is 35408639423. The reversal of 35408639420 is 2493680453.

It is a Harshad number since it is a multiple of its sum of digits (44).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (35408639423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 569507 + ... + 628613.

It is an arithmetic number, because the mean of its divisors is an integer number (968189040).

Almost surely, 2^35408639420 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 35408639420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (46473073920).

35408639420 is an abundant number, since it is smaller than the sum of its proper divisors (57537508420).

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

35408639420 is a wasteful number, since it uses less digits than its factorization.

35408639420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59523 (or 59521 counting only the distinct ones).

The product of its (nonzero) digits is 622080, while the sum is 44.

The spelling of 35408639420 in words is "thirty-five billion, four hundred eight million, six hundred thirty-nine thousand, four hundred twenty".