49010040 has 48 divisors (see below), whose sum is σ = 159283800. Its totient is φ = 13069248.

The previous prime is 49009999. The next prime is 49010041. The reversal of 49010040 is 4001094.

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a junction number, because it is equal to n+sod(n) for n = 49009995 and 49010022.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (49010041) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 67710 + ... + 68429.

Almost surely, 2^49010040 is an apocalyptic number.

49010040 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49010040 is an abundant number, since it is smaller than the sum of its proper divisors (110273760).

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

49010040 is a wasteful number, since it uses less digits than its factorization.

49010040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136156 (or 136149 counting only the distinct ones).

The product of its (nonzero) digits is 144, while the sum is 18.

The square root of 49010040 is about 7000.7171061256. The cubic root of 49010040 is about 365.9555621046.

The spelling of 49010040 in words is "forty-nine million, ten thousand, forty".