49902000 has 80 divisors (see below), whose sum is σ = 160903392. Its totient is φ = 13305600.

The previous prime is 49901993. The next prime is 49902001. The reversal of 49902000 is 20994.

It is a tau number, because it is divible by the number of its divisors (80).

It is a Harshad number since it is a multiple of its sum of digits (24).

It is not an unprimeable number, because it can be changed into a prime (49902001) 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, 1842 + ... + 10158.

Almost surely, 2^49902000 is an apocalyptic number.

49902000 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 49902000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (80451696).

49902000 is an abundant number, since it is smaller than the sum of its proper divisors (111001392).

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

49902000 is a wasteful number, since it uses less digits than its factorization.

49902000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8343 (or 8327 counting only the distinct ones).

The product of its (nonzero) digits is 648, while the sum is 24.

The square root of 49902000 is about 7064.1347665514. The cubic root of 49902000 is about 368.1623023838.

Adding to 49902000 its reverse (20994), we get a palindrome (49922994).

The spelling of 49902000 in words is "forty-nine million, nine hundred two thousand".