102048440 has 32 divisors (see below), whose sum is σ = 247272480. Its totient is φ = 37679232.

The previous prime is 102048439. The next prime is 102048473. The reversal of 102048440 is 44840201.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 97604 + ... + 98643.

It is an arithmetic number, because the mean of its divisors is an integer number (7727265).

Almost surely, 2^102048440 is an apocalyptic number.

102048440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

102048440 is an abundant number, since it is smaller than the sum of its proper divisors (145224040).

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

102048440 is a wasteful number, since it uses less digits than its factorization.

102048440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 196271 (or 196267 counting only the distinct ones).

The product of its (nonzero) digits is 1024, while the sum is 23.

The square root of 102048440 is about 10101.9027910587. The cubic root of 102048440 is about 467.3068243993.

Adding to 102048440 its reverse (44840201), we get a palindrome (146888641).

The spelling of 102048440 in words is "one hundred two million, forty-eight thousand, four hundred forty".