49158405 has 48 divisors (see below), whose sum is σ = 88957440. Its totient is φ = 25084800.

The previous prime is 49158397. The next prime is 49158409. The reversal of 49158405 is 50485194.

It is not a de Polignac number, because 49158405 - 2³ = 49158397 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 49158405.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49158409) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182611 + ... + 182879.

It is an arithmetic number, because the mean of its divisors is an integer number (1853280).

Almost surely, 2^49158405 is an apocalyptic number.

49158405 is a gapful number since it is divisible by the number (45) formed by its first and last digit.

It is an amenable number.

49158405 is a deficient number, since it is larger than the sum of its proper divisors (39799035).

49158405 is a wasteful number, since it uses less digits than its factorization.

49158405 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 442 (or 439 counting only the distinct ones).

The product of its (nonzero) digits is 28800, while the sum is 36.

The square root of 49158405 is about 7011.3055132407. The cubic root of 49158405 is about 366.3244681559.

The spelling of 49158405 in words is "forty-nine million, one hundred fifty-eight thousand, four hundred five".