49348840 has 16 divisors (see below), whose sum is σ = 111034980. Its totient is φ = 19739520.

The previous prime is 49348837. The next prime is 49348843. The reversal of 49348840 is 4884394.

It is an interprime number because it is at equal distance from previous prime (49348837) and next prime (49348843).

It can be written as a sum of positive squares in 2 ways, for example, as 48804196 + 544644 = 6986^2 + 738^2 .

It is a Harshad number since it is a multiple of its sum of digits (40), and also a Moran number because the ratio is a prime number: 1233721 = 49348840 / (4 + 9 + 3 + 4 + 8 + 8 + 4 + 0).

It is a junction number, because it is equal to n+sod(n) for n = 49348793 and 49348802.

It is not an unprimeable number, because it can be changed into a prime (49348843) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 616821 + ... + 616900.

Almost surely, 2^49348840 is an apocalyptic number.

49348840 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

49348840 is an abundant number, since it is smaller than the sum of its proper divisors (61686140).

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

49348840 is a wasteful number, since it uses less digits than its factorization.

49348840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1233732 (or 1233728 counting only the distinct ones).

The product of its (nonzero) digits is 110592, while the sum is 40.

The square root of 49348840 is about 7024.8729525878. The cubic root of 49348840 is about 366.7968940544.

The spelling of 49348840 in words is "forty-nine million, three hundred forty-eight thousand, eight hundred forty".