1477472640 has 256 divisors, whose sum is σ = 5418109440. Its totient is φ = 335462400.

The previous prime is 1477472639. The next prime is 1477472653. The reversal of 1477472640 is 462747741.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a junction number, because it is equal to n+sod(n) for n = 1477472592 and 1477472601.

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, 2835580 + ... + 2836100.

It is an arithmetic number, because the mean of its divisors is an integer number (21164490).

Almost surely, 2^1477472640 is an apocalyptic number.

1477472640 is a gapful number since it is divisible by the number (10) 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 1477472640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2709054720).

1477472640 is an abundant number, since it is smaller than the sum of its proper divisors (3940636800).

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

1477472640 is a wasteful number, since it uses less digits than its factorization.

1477472640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 761 (or 749 counting only the distinct ones).

The product of its (nonzero) digits is 263424, while the sum is 42.

The square root of 1477472640 is about 38437.9062905356. The cubic root of 1477472640 is about 1138.9547822046.

The spelling of 1477472640 in words is "one billion, four hundred seventy-seven million, four hundred seventy-two thousand, six hundred forty".