3798454140 has 432 divisors, whose sum is σ = 13381018560. Its totient is φ = 869806080.

The previous prime is 3798454139. The next prime is 3798454147. The reversal of 3798454140 is 414548973.

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

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3798454147) by changing a digit.

It is a polite number, since it can be written in 143 ways as a sum of consecutive naturals, for example, 42679216 + ... + 42679304.

It is an arithmetic number, because the mean of its divisors is an integer number (30974580).

Almost surely, 2^3798454140 is an apocalyptic number.

3798454140 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 3798454140, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6690509280).

3798454140 is an abundant number, since it is smaller than the sum of its proper divisors (9582564420).

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

3798454140 is a wasteful number, since it uses less digits than its factorization.

3798454140 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 214 (or 196 counting only the distinct ones).

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

The square root of 3798454140 is about 61631.6001739367. The cubic root of 3798454140 is about 1560.2791167239.

The spelling of 3798454140 in words is "three billion, seven hundred ninety-eight million, four hundred fifty-four thousand, one hundred forty".