740218227840 has 1280 divisors, whose sum is σ = 3275894603520. Its totient is φ = 155103952896.

The previous prime is 740218227811. The next prime is 740218227863. The reversal of 740218227840 is 48722812047.

740218227840 is a `hidden beast` number, since 7 + 402 + 18 + 227 + 8 + 4 + 0 = 666.

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

It is an unprimeable number.

It is a polite number, since it can be written in 159 ways as a sum of consecutive naturals, for example, 816116667 + ... + 816117573.

It is an arithmetic number, because the mean of its divisors is an integer number (2559292659).

Almost surely, 2^740218227840 is an apocalyptic number.

740218227840 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 740218227840, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1637947301760).

740218227840 is an abundant number, since it is smaller than the sum of its proper divisors (2535676375680).

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

740218227840 is a wasteful number, since it uses less digits than its factorization.

740218227840 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1131 (or 1110 counting only the distinct ones).

The product of its (nonzero) digits is 401408, while the sum is 45.

The spelling of 740218227840 in words is "seven hundred forty billion, two hundred eighteen million, two hundred twenty-seven thousand, eight hundred forty".