1397480000 has 420 divisors, whose sum is σ = 4342010112. Its totient is φ = 443520000.

The previous prime is 1397479981. The next prime is 1397480009. The reversal of 1397480000 is 847931.

It is a Harshad number since it is a multiple of its sum of digits (32).

It is not an unprimeable number, because it can be changed into a prime (1397480009) by changing a digit.

It is a polite number, since it can be written in 59 ways as a sum of consecutive naturals, for example, 45079985 + ... + 45080015.

Almost surely, 2^1397480000 is an apocalyptic number.

1397480000 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 1397480000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2171005056).

1397480000 is an abundant number, since it is smaller than the sum of its proper divisors (2944530112).

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

1397480000 is an equidigital number, since it uses as much as digits as its factorization.

1397480000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 68 counting only the distinct ones).

The product of its (nonzero) digits is 6048, while the sum is 32.

The square root of 1397480000 is about 37382.8837838923. The cubic root of 1397480000 is about 1118.0173255849.

The spelling of 1397480000 in words is "one billion, three hundred ninety-seven million, four hundred eighty thousand".