406633545 has 24 divisors (see below), whose sum is σ = 705307200. Its totient is φ = 216724896.

The previous prime is 406633481. The next prime is 406633561. The reversal of 406633545 is 545336604.

It is not a de Polignac number, because 406633545 - 2⁶ = 406633481 is a prime.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 112476 + ... + 116034.

It is an arithmetic number, because the mean of its divisors is an integer number (29387800).

Almost surely, 2^406633545 is an apocalyptic number.

406633545 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

406633545 is a deficient number, since it is larger than the sum of its proper divisors (298673655).

406633545 is a wasteful number, since it uses less digits than its factorization.

406633545 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6109 (or 6106 counting only the distinct ones).

The product of its (nonzero) digits is 129600, while the sum is 36.

The square root of 406633545 is about 20165.1567065570. The cubic root of 406633545 is about 740.8570208269.

The spelling of 406633545 in words is "four hundred six million, six hundred thirty-three thousand, five hundred forty-five".