44148780 has 192 divisors, whose sum is σ = 156172800. Its totient is φ = 10264320.

The previous prime is 44148751. The next prime is 44148781. The reversal of 44148780 is 8784144.

44148780 = T₁₅₁ + T₁₅₂ + ... + T₆₄₄.

It is a happy number.

It is a super-2 number, since 2×44148780² = 3898229550976800, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is not an unprimeable number, because it can be changed into a prime (44148781) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 133215 + ... + 133545.

It is an arithmetic number, because the mean of its divisors is an integer number (813400).

Almost surely, 2^44148780 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 44148780, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (78086400).

44148780 is an abundant number, since it is smaller than the sum of its proper divisors (112024020).

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

44148780 is a wasteful number, since it uses less digits than its factorization.

44148780 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 381 (or 373 counting only the distinct ones).

The product of its (nonzero) digits is 28672, while the sum is 36.

The square root of 44148780 is about 6644.4548309098. The cubic root of 44148780 is about 353.4322989265.

The spelling of 44148780 in words is "forty-four million, one hundred forty-eight thousand, seven hundred eighty".