402453480 has 256 divisors, whose sum is σ = 1451520000. Its totient is φ = 87966720.

The previous prime is 402453473. The next prime is 402453481. The reversal of 402453480 is 84354204.

It is a super-2 number, since 2×402453480² = 323937607128220800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (30).

It is not an unprimeable number, because it can be changed into a prime (402453481) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 806271 + ... + 806769.

It is an arithmetic number, because the mean of its divisors is an integer number (5670000).

Almost surely, 2^402453480 is an apocalyptic number.

402453480 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 402453480, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (725760000).

402453480 is an abundant number, since it is smaller than the sum of its proper divisors (1049066520).

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

402453480 is a wasteful number, since it uses less digits than its factorization.

402453480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 584 (or 580 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 30.

The square root of 402453480 is about 20061.2432316644. The cubic root of 402453480 is about 738.3096797445.

The spelling of 402453480 in words is "four hundred two million, four hundred fifty-three thousand, four hundred eighty".