406465142 has 16 divisors (see below), whose sum is σ = 616215600. Its totient is φ = 201065760.

The previous prime is 406465127. The next prime is 406465159. The reversal of 406465142 is 241564604.

It is a super-2 number, since 2×406465142² = 330427823322160328, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 406465099 and 406465108.

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, 236984 + ... + 238692.

It is an arithmetic number, because the mean of its divisors is an integer number (38513475).

Almost surely, 2^406465142 is an apocalyptic number.

406465142 is a deficient number, since it is larger than the sum of its proper divisors (209750458).

406465142 is a wasteful number, since it uses less digits than its factorization.

406465142 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2911.

The product of its (nonzero) digits is 23040, while the sum is 32.

The square root of 406465142 is about 20160.9806805125. The cubic root of 406465142 is about 740.7547339945.

The spelling of 406465142 in words is "four hundred six million, four hundred sixty-five thousand, one hundred forty-two".