103477393440 has 72 divisors (see below), whose sum is σ = 353116610028. Its totient is φ = 27593971200.

The previous prime is 103477393429. The next prime is 103477393441. The reversal of 103477393440 is 44393774301.

103477393440 is a `hidden beast` number, since 10 + 3 + 47 + 73 + 93 + 440 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 94718679696 + 8758713744 = 307764^2 + 93588^2 .

It is a tau number, because it is divible by the number of its divisors (72).

It is a Harshad number since it is a multiple of its sum of digits (45).

It is not an unprimeable number, because it can be changed into a prime (103477393441) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 35928211 + ... + 35931090.

Almost surely, 2^103477393440 is an apocalyptic number.

103477393440 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

103477393440 is an abundant number, since it is smaller than the sum of its proper divisors (249639216588).

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

103477393440 is a wasteful number, since it uses less digits than its factorization.

103477393440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 71859322 (or 71859311 counting only the distinct ones).

The product of its (nonzero) digits is 762048, while the sum is 45.

The spelling of 103477393440 in words is "one hundred three billion, four hundred seventy-seven million, three hundred ninety-three thousand, four hundred forty".