49109040 has 60 divisors (see below), whose sum is σ = 164926944. Its totient is φ = 13095552.

The previous prime is 49109033. The next prime is 49109051. The reversal of 49109040 is 4090194.

It is a tau number, because it is divible by the number of its divisors (60).

It is a junction number, because it is equal to n+sod(n) for n = 49108995 and 49109013.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 33384 + ... + 34823.

Almost surely, 2^49109040 is an apocalyptic number.

49109040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49109040 is an abundant number, since it is smaller than the sum of its proper divisors (115817904).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

49109040 is a wasteful number, since it uses less digits than its factorization.

49109040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 68226 (or 68217 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 49109040 is about 7007.7842432541. The cubic root of 49109040 is about 366.2018057549.

The spelling of 49109040 in words is "forty-nine million, one hundred nine thousand, forty".