3548974140 has 144 divisors (see below), whose sum is σ = 11132546880. Its totient is φ = 914457600.

The previous prime is 3548974127. The next prime is 3548974153. The reversal of 3548974140 is 414798453.

3548974140 is a `hidden beast` number, since 3 + 548 + 97 + 4 + 14 + 0 = 666.

It is an interprime number because it is at equal distance from previous prime (3548974127) and next prime (3548974153).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 1003896 + ... + 1007424.

Almost surely, 2^3548974140 is an apocalyptic number.

3548974140 is a gapful number since it is divisible by the number (30) 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 3548974140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5566273440).

3548974140 is an abundant number, since it is smaller than the sum of its proper divisors (7583572740).

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

3548974140 is a wasteful number, since it uses less digits than its factorization.

3548974140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3732 (or 3727 counting only the distinct ones).

The product of its (nonzero) digits is 483840, while the sum is 45.

The square root of 3548974140 is about 59573.2669911597. The cubic root of 3548974140 is about 1525.3433450695.

The spelling of 3548974140 in words is "three billion, five hundred forty-eight million, nine hundred seventy-four thousand, one hundred forty".