1498979340 has 72 divisors (see below), whose sum is σ = 4550783328. Its totient is φ = 399386880.

The previous prime is 1498979327. The next prime is 1498979353. The reversal of 1498979340 is 439798941.

It is an interprime number because it is at equal distance from previous prime (1498979327) and next prime (1498979353).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 263769 + ... + 269391.

It is an arithmetic number, because the mean of its divisors is an integer number (63205324).

Almost surely, 2^1498979340 is an apocalyptic number.

1498979340 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1498979340 is an abundant number, since it is smaller than the sum of its proper divisors (3051803988).

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

1498979340 is a wasteful number, since it uses less digits than its factorization.

1498979340 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7119 (or 7114 counting only the distinct ones).

The product of its (nonzero) digits is 1959552, while the sum is 54.

The square root of 1498979340 is about 38716.6545558885. The cubic root of 1498979340 is about 1144.4545471890.

The spelling of 1498979340 in words is "one billion, four hundred ninety-eight million, nine hundred seventy-nine thousand, three hundred forty".