3821429040 has 160 divisors (see below), whose sum is σ = 13917609216. Its totient is φ = 855137280.

The previous prime is 3821429033. The next prime is 3821429057. The reversal of 3821429040 is 409241283.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is a junction number, because it is equal to n+sod(n) for n = 3821428992 and 3821429010.

It is an unprimeable number.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 21354 + ... + 89993.

Almost surely, 2^3821429040 is an apocalyptic number.

3821429040 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 3821429040, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6958804608).

3821429040 is an abundant number, since it is smaller than the sum of its proper divisors (10096180176).

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

3821429040 is a wasteful number, since it uses less digits than its factorization.

3821429040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 111387 (or 111381 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 33.

The square root of 3821429040 is about 61817.7081425703. The cubic root of 3821429040 is about 1563.4185714738.

The spelling of 3821429040 in words is "three billion, eight hundred twenty-one million, four hundred twenty-nine thousand, forty".