1403555104 has 48 divisors (see below), whose sum is σ = 3164531328. Its totient is φ = 600279552.

The previous prime is 1403555081. The next prime is 1403555119. The reversal of 1403555104 is 4015553041.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 106444 + ... + 118900.

It is an arithmetic number, because the mean of its divisors is an integer number (65927736).

Almost surely, 2^1403555104 is an apocalyptic number.

1403555104 is a gapful number since it is divisible by the number (14) 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 1403555104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1582265664).

1403555104 is an abundant number, since it is smaller than the sum of its proper divisors (1760976224).

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

1403555104 is a wasteful number, since it uses less digits than its factorization.

1403555104 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12977 (or 12969 counting only the distinct ones).

The product of its (nonzero) digits is 6000, while the sum is 28.

The square root of 1403555104 is about 37464.0508220881. The cubic root of 1403555104 is about 1119.6350596723.

The spelling of 1403555104 in words is "one billion, four hundred three million, five hundred fifty-five thousand, one hundred four".