940140454 has 16 divisors (see below), whose sum is σ = 1539449856. Its totient is φ = 427048200.

The previous prime is 940140407. The next prime is 940140469. The reversal of 940140454 is 454041049.

It is a super-2 number, since 2×940140454² = 1767728146494652232, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 20839 + ... + 48109.

It is an arithmetic number, because the mean of its divisors is an integer number (96215616).

Almost surely, 2^940140454 is an apocalyptic number.

940140454 is a deficient number, since it is larger than the sum of its proper divisors (599309402).

940140454 is a wasteful number, since it uses less digits than its factorization.

940140454 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 28851.

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 940140454 is about 30661.7099001344. The cubic root of 940140454 is about 979.6348959266.

The spelling of 940140454 in words is "nine hundred forty million, one hundred forty thousand, four hundred fifty-four".