406019157 has 16 divisors (see below), whose sum is σ = 554400000. Its totient is φ = 264236544.

The previous prime is 406019153. The next prime is 406019203. The reversal of 406019157 is 751910604.

It is not a de Polignac number, because 406019157 - 2² = 406019153 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (406019153) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 11469 + ... + 30717.

It is an arithmetic number, because the mean of its divisors is an integer number (34650000).

Almost surely, 2^406019157 is an apocalyptic number.

It is an amenable number.

406019157 is a deficient number, since it is larger than the sum of its proper divisors (148380843).

406019157 is a wasteful number, since it uses less digits than its factorization.

406019157 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19420.

The product of its (nonzero) digits is 7560, while the sum is 33.

The square root of 406019157 is about 20149.9170469757. The cubic root of 406019157 is about 740.4837091936.

The spelling of 406019157 in words is "four hundred six million, nineteen thousand, one hundred fifty-seven".