6458437740 has 24 divisors (see below), whose sum is σ = 18083625840. Its totient is φ = 1722250048.

The previous prime is 6458437729. The next prime is 6458437771. The reversal of 6458437740 is 477348546.

It is a happy number.

It is a super-2 number, since 2×6458437740² = 83422836082912615200, which contains 22 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 6458437740.

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, 53820255 + ... + 53820374.

It is an arithmetic number, because the mean of its divisors is an integer number (753484410).

Almost surely, 2^6458437740 is an apocalyptic number.

6458437740 is a gapful number since it is divisible by the number (60) formed by its first and last digit.

It is an amenable number.

6458437740 is an abundant number, since it is smaller than the sum of its proper divisors (11625188100).

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

6458437740 is a wasteful number, since it uses less digits than its factorization.

6458437740 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 107640641 (or 107640639 counting only the distinct ones).

The product of its (nonzero) digits is 2257920, while the sum is 48.

The square root of 6458437740 is about 80364.4059270023. The cubic root of 6458437740 is about 1862.2693367183.

The spelling of 6458437740 in words is "six billion, four hundred fifty-eight million, four hundred thirty-seven thousand, seven hundred forty".