7454490648 has 128 divisors (see below), whose sum is σ = 20874240000. Its totient is φ = 2199035520.

The previous prime is 7454490613. The next prime is 7454490649. The reversal of 7454490648 is 8460944547.

It is a happy number.

It is a super-3 number, since 3×7454490648³ (a number of 31 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a self number, because there is not a number n which added to its sum of digits gives 7454490648.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (7454490649) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2467683 + ... + 2470701.

It is an arithmetic number, because the mean of its divisors is an integer number (163080000).

Almost surely, 2^7454490648 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 7454490648, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10437120000).

7454490648 is an abundant number, since it is smaller than the sum of its proper divisors (13419749352).

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

7454490648 is a wasteful number, since it uses less digits than its factorization.

7454490648 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3285 (or 3281 counting only the distinct ones).

The product of its (nonzero) digits is 3870720, while the sum is 51.

The square root of 7454490648 is about 86339.3922146780. The cubic root of 7454490648 is about 1953.4666057254.

The spelling of 7454490648 in words is "seven billion, four hundred fifty-four million, four hundred ninety thousand, six hundred forty-eight".