3514421640 has 192 divisors, whose sum is σ = 11490716160. Its totient is φ = 858885120.

The previous prime is 3514421623. The next prime is 3514421657. The reversal of 3514421640 is 461244153.

It is an interprime number because it is at equal distance from previous prime (3514421623) and next prime (3514421657).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 3514421598 and 3514421607.

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, 1341612 + ... + 1344228.

It is an arithmetic number, because the mean of its divisors is an integer number (59847480).

Almost surely, 2^3514421640 is an apocalyptic number.

3514421640 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 3514421640, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (5745358080).

3514421640 is an abundant number, since it is smaller than the sum of its proper divisors (7976294520).

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

3514421640 is a wasteful number, since it uses less digits than its factorization.

3514421640 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2700 (or 2677 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 30.

The square root of 3514421640 is about 59282.5576371330. The cubic root of 3514421640 is about 1520.3769898247.

Adding to 3514421640 its reverse (461244153), we get a palindrome (3975665793).

The spelling of 3514421640 in words is "three billion, five hundred fourteen million, four hundred twenty-one thousand, six hundred forty".