406554340 has 24 divisors (see below), whose sum is σ = 854142912. Its totient is φ = 162549600.

The previous prime is 406554329. The next prime is 406554347. The reversal of 406554340 is 43455604.

It is not an unprimeable number, because it can be changed into a prime (406554347) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 86737 + ... + 91303.

It is an arithmetic number, because the mean of its divisors is an integer number (35589288).

Almost surely, 2^406554340 is an apocalyptic number.

It is an amenable number.

406554340 is an abundant number, since it is smaller than the sum of its proper divisors (447588572).

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

406554340 is a wasteful number, since it uses less digits than its factorization.

406554340 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9027 (or 9025 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 31.

The square root of 406554340 is about 20163.1927035378. The cubic root of 406554340 is about 740.8089157691.

The spelling of 406554340 in words is "four hundred six million, five hundred fifty-four thousand, three hundred forty".