4019215977408 has 112 divisors (see below), whose sum is σ = 10755995028480. Its totient is φ = 1324443684864.

The previous prime is 4019215977407. The next prime is 4019215977431. The reversal of 4019215977408 is 8047795129104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4019215977407) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9636360 + ... + 10044792.

Almost surely, 2^{4019215977408} is an apocalyptic number.

4019215977408 is a gapful number since it is divisible by the number (48) 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 4019215977408, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5377997514240).

4019215977408 is an abundant number, since it is smaller than the sum of its proper divisors (6736779051072).

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

4019215977408 is a wasteful number, since it uses less digits than its factorization.

4019215977408 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409034 (or 409024 counting only the distinct ones).

The product of its (nonzero) digits is 5080320, while the sum is 57.

The spelling of 4019215977408 in words is "four trillion, nineteen billion, two hundred fifteen million, nine hundred seventy-seven thousand, four hundred eight".