498350640 has 40 divisors (see below), whose sum is σ = 1544887728. Its totient is φ = 132893440.

The previous prime is 498350627. The next prime is 498350641. The reversal of 498350640 is 46053894.

It is a tau number, because it is divible by the number of its divisors (40).

It is not an unprimeable number, because it can be changed into a prime (498350641) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1037991 + ... + 1038470.

Almost surely, 2^498350640 is an apocalyptic number.

498350640 is a gapful number since it is divisible by the number (40) formed by its first and last digit.

It is an amenable number.

498350640 is an abundant number, since it is smaller than the sum of its proper divisors (1046537088).

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

498350640 is a wasteful number, since it uses less digits than its factorization.

498350640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2076477 (or 2076471 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 39.

The square root of 498350640 is about 22323.7684990684. The cubic root of 498350640 is about 792.8268326558.

The spelling of 498350640 in words is "four hundred ninety-eight million, three hundred fifty thousand, six hundred forty".