6415447040 has 176 divisors, whose sum is σ = 16207523712. Its totient is φ = 2431942656.

The previous prime is 6415447001. The next prime is 6415447061. The reversal of 6415447040 is 407445146.

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, 18488147 + ... + 18488493.

Almost surely, 2^6415447040 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 6415447040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8103761856).

6415447040 is an abundant number, since it is smaller than the sum of its proper divisors (9792076672).

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

6415447040 is a wasteful number, since it uses less digits than its factorization.

6415447040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 552 (or 534 counting only the distinct ones).

The product of its (nonzero) digits is 53760, while the sum is 35.

The square root of 6415447040 is about 80096.4858155462. The cubic root of 6415447040 is about 1858.1280584768.

The spelling of 6415447040 in words is "six billion, four hundred fifteen million, four hundred forty-seven thousand, forty".