40654047280 has 320 divisors, whose sum is σ = 124499460096. Its totient is φ = 11975040000.

The previous prime is 40654047241. The next prime is 40654047377. The reversal of 40654047280 is 8274045604.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (40).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 8208805 + ... + 8213755.

Almost surely, 2^40654047280 is an apocalyptic number.

40654047280 is a gapful number since it is divisible by the number (40) 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 40654047280, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (62249730048).

40654047280 is an abundant number, since it is smaller than the sum of its proper divisors (83845412816).

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

40654047280 is a wasteful number, since it uses less digits than its factorization.

40654047280 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5056 (or 5050 counting only the distinct ones).

The product of its (nonzero) digits is 215040, while the sum is 40.

The spelling of 40654047280 in words is "forty billion, six hundred fifty-four million, forty-seven thousand, two hundred eighty".