405147480 has 32 divisors (see below), whose sum is σ = 1215442800. Its totient is φ = 108039296.

The previous prime is 405147467. The next prime is 405147493. The reversal of 405147480 is 84741504.

It is an interprime number because it is at equal distance from previous prime (405147467) and next prime (405147493).

It is a congruent number.

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, 1687995 + ... + 1688234.

Almost surely, 2^405147480 is an apocalyptic number.

405147480 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

405147480 is an abundant number, since it is smaller than the sum of its proper divisors (810295320).

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

405147480 is a wasteful number, since it uses less digits than its factorization.

405147480 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3376243 (or 3376239 counting only the distinct ones).

The product of its (nonzero) digits is 17920, while the sum is 33.

The square root of 405147480 is about 20128.2756340428. The cubic root of 405147480 is about 739.9534180564.

Adding to 405147480 its reverse (84741504), we get a palindrome (489888984).

The spelling of 405147480 in words is "four hundred five million, one hundred forty-seven thousand, four hundred eighty".