406511630 has 32 divisors (see below), whose sum is σ = 841812480. Its totient is φ = 138448800.

The previous prime is 406511617. The next prime is 406511641. The reversal of 406511630 is 36115604.

It is a self number, because there is not a number n which added to its sum of digits gives 406511630.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8660 + ... + 29799.

It is an arithmetic number, because the mean of its divisors is an integer number (26306640).

Almost surely, 2^406511630 is an apocalyptic number.

406511630 is an abundant number, since it is smaller than the sum of its proper divisors (435300850).

406511630 is a wasteful number, since it uses less digits than its factorization.

406511630 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 38624.

The product of its (nonzero) digits is 2160, while the sum is 26.

The square root of 406511630 is about 20162.1335676560. The cubic root of 406511630 is about 740.7829733109.

The spelling of 406511630 in words is "four hundred six million, five hundred eleven thousand, six hundred thirty".