7498780416 has 180 divisors, whose sum is σ = 22634597832. Its totient is φ = 2468911104.

The previous prime is 7498780411. The next prime is 7498780423. The reversal of 7498780416 is 6140878947.

It is a happy number.

7498780416 is a `hidden beast` number, since 74 + 9 + 87 + 80 + 416 = 666.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7498780411) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 1718910 + ... + 1723266.

Almost surely, 2^7498780416 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 7498780416, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11317298916).

7498780416 is an abundant number, since it is smaller than the sum of its proper divisors (15135817416).

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

7498780416 is an equidigital number, since it uses as much as digits as its factorization.

7498780416 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4468 (or 4445 counting only the distinct ones).

The product of its (nonzero) digits is 2709504, while the sum is 54.

The square root of 7498780416 is about 86595.4988206662. The cubic root of 7498780416 is about 1957.3277146121.

It can be divided in two parts, 74987 and 80416, that added together give a triangular number (155403 = T₅₅₇).

The spelling of 7498780416 in words is "seven billion, four hundred ninety-eight million, seven hundred eighty thousand, four hundred sixteen".