7394226840 has 1152 divisors, whose sum is σ = 34758097920. Its totient is φ = 1316044800.

The previous prime is 7394226803. The next prime is 7394226859. The reversal of 7394226840 is 486224937.

It is a super-2 number, since 2×7394226840² (a number of 21 digits) contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (45).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 287 ways as a sum of consecutive naturals, for example, 104144005 + ... + 104144075.

It is an arithmetic number, because the mean of its divisors is an integer number (30171960).

Almost surely, 2^7394226840 is an apocalyptic number.

7394226840 is a gapful number since it is divisible by the number (70) 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 7394226840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (17379048960).

7394226840 is an abundant number, since it is smaller than the sum of its proper divisors (27363871080).

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

7394226840 is a wasteful number, since it uses less digits than its factorization.

7394226840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 153 (or 129 counting only the distinct ones).

The product of its (nonzero) digits is 580608, while the sum is 45.

The square root of 7394226840 is about 85989.6903122694. The cubic root of 7394226840 is about 1948.1882659674.

The spelling of 7394226840 in words is "seven billion, three hundred ninety-four million, two hundred twenty-six thousand, eight hundred forty".