4058512640 has 144 divisors (see below), whose sum is σ = 11965150848. Its totient is φ = 1284415488.

The previous prime is 4058512637. The next prime is 4058512681. The reversal of 4058512640 is 462158504.

It is a Harshad number since it is a multiple of its sum of digits (35).

It is a self number, because there is not a number n which added to its sum of digits gives 4058512640.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 99059 + ... + 133901.

Almost surely, 2^4058512640 is an apocalyptic number.

4058512640 is a gapful number since it is divisible by the number (40) 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 4058512640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5982575424).

4058512640 is an abundant number, since it is smaller than the sum of its proper divisors (7906638208).

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

4058512640 is a wasteful number, since it uses less digits than its factorization.

4058512640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 34884 (or 34870 counting only the distinct ones).

The product of its (nonzero) digits is 38400, while the sum is 35.

The square root of 4058512640 is about 63706.4568156164. The cubic root of 4058512640 is about 1595.1038660361.

The spelling of 4058512640 in words is "four billion, fifty-eight million, five hundred twelve thousand, six hundred forty".