3889067421240 has 448 divisors, whose sum is σ = 13798115942400. Its totient is φ = 984161477376.

The previous prime is 3889067421223. The next prime is 3889067421251. The reversal of 3889067421240 is 421247609883.

3889067421240 is a `hidden beast` number, since 38 + 8 + 90 + 67 + 421 + 2 + 40 = 666.

It is a hoax number, since the sum of its digits (54) 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 (54).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 111 ways as a sum of consecutive naturals, for example, 85153531 + ... + 85199189.

Almost surely, 2^{3889067421240} is an apocalyptic number.

3889067421240 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 3889067421240, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6899057971200).

3889067421240 is an abundant number, since it is smaller than the sum of its proper divisors (9909048521160).

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

3889067421240 is a wasteful number, since it uses less digits than its factorization.

3889067421240 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 45838 (or 45819 counting only the distinct ones).

The product of its (nonzero) digits is 4644864, while the sum is 54.

The spelling of 3889067421240 in words is "three trillion, eight hundred eighty-nine billion, sixty-seven million, four hundred twenty-one thousand, two hundred forty".